Nuclear Non-proliferation Import and Export Control Regulations (SOR/2000-210)

AMENDMENTS NOT IN FORCE

• — SOR/2025-196, s. 3

  • • 3 (1) Paragraph 3(1)(a) of the Nuclear Non-proliferation Import and Export Control RegulationsFootnote ² is replaced by the following:

      • Return to footnote ²SOR/2000-210

      • (a) the applicant’s business number assigned by the Canada Revenue Agency, if applicable, their name, Canadian address, email address and telephone number;

    • (2) Subsection 3(1) of the Regulations is amended by striking out “and” at the end of paragraph (g), by adding “and” at the end of paragraph (h) and by adding the following after paragraph (h):

      • (i) the applicant’s written process for the import or export of the substance, equipment or information.

• — SOR/2025-196, s. 4

  • 4 The Regulations are amended by adding the following after section 3:

    Record Retention

    • 3.1 Every person must retain, for a period of six years after the day on which a licence to import or export issued to them expires, the licence and all records relevant to any import or export under it, including, if applicable,

      • (a) the application for the licence and supporting information submitted to the Commission or any designated officer who is authorized to carry out the duties set out in paragraphs 37(2)(c) and (d) of the Act;

      • (b) the customs declaration and associated documentation submitted at the time of import or export;

      • (c) shipping manifests and associated documentation;

      • (d) any purchase order and certificate of manufacture; and

      • (e) the notifications and other reporting submissions made under the licence.

• — SOR/2025-196, s. 6

  • 6 The portion of the schedule to the Regulations after the heading “Controlled Nuclear Substances, Equipment and Information” and before Part A is replaced by the following:

    The following lists are reproduced, in rearranged form and with some modifications, from International Atomic Energy Agency Information Circulars INFCIRC/254/Rev.14/Part 1, INFCIRC/254/Rev.12/Part 2 and INFCIRC/209/Rev.5.

• — SOR/2025-196, s. 7

  • 7 Paragraph (a) of the note at the end of paragraph A.1.1 of Part A of the schedule to the Regulations is replaced by the following:

    • (a) 

      special fissionable material occurring as contaminants in laundry, packaging, shielding, equipment or biological samples;

• — SOR/2025-196, s. 8

  • 8 Paragraphs (a) and (b) of the note at the end of paragraph A.1.2(c) of Part A of the schedule to the Regulations are replaced by the following:

    • (a) 

      source material occurring as contaminants in laundry, packaging, shielding, equipment or biological samples; or
    • (b) 

      depleted uranium used as ballasts, counterweights or shielding for Class II prescribed equipment, as defined in section 1 of the Class II Nuclear Facilities and Prescribed Equipment Regulations, for radiation devices or for transport packaging; or
    • (c) 

      thorium used in civil non-nuclear applications, including thorium contained in lamps, lights, welding rods and engine coatings. This exemption does not apply to bulk imports or exports of thorium for the manufacture of these items.

• — SOR/2025-196, s. 9

  • • 9 (1) Paragraph (b) of the note at the end of paragraph A.1.3 of Part A of the schedule to the Regulations is replaced by the following:

      • (b) 

        deuterium occurring as a contaminant in laundry, packaging, shielding, equipment or biological samples;

    • (2) The note at the end of paragraph A.1.3 of Part A of the schedule to the Regulations is amended by adding “or” at the end of paragraph (c) and by adding the following after paragraph (c):

      • (d) 

        deuterium contained in pharmaceutical products.

• — SOR/2025-196, s. 10

  • 10 Part A of the schedule to the Regulations is amended by adding the following after paragraph A.1.4:

    • NOTE

      Paragraph A.1.4 does not include exports, in quantities of 1 kg or less per shipment, of nuclear grade graphite that is not for use in a nuclear reactor.

• — SOR/2025-196, s. 11

  • 11 Part A of the schedule to the Regulations is amended by adding the following after paragraph A.1.5:

    • NOTE
      • Paragraph A.1.5 does not include
        • (a) 

          tritium contained in self-luminous devices, for illumination, that have been installed in conveyances, including aircrafts, ships or vehicles;
        • (b) 

          tritium contained in watches, compasses, jewellery or gunsights;
        • (c) 

          tritium occurring as a contaminant in laundry, packaging, shielding, equipment or biological samples; or
        • (d) 

          tritium contained in pharmaceutical products.

• — SOR/2025-196, s. 12

  • 12 Paragraphs A.2.1.2 to A.2.1.10 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.1.2 

      Nuclear reactor vessels
      • Metal vessels, or major shop-fabricated parts for these vessels, especially designed or prepared to contain the core of a nuclear reactor within the meaning of paragraph A.2.1.1, as well as relevant nuclear reactor internals within the meaning of paragraph A.2.1.8.
      • NOTE

        Paragraph A.2.1.2 includes nuclear reactor vessels regardless of pressure rating, as well as reactor pressure vessels and calandrias. It includes the reactor vessel head as a major shop-fabricated part of a reactor vessel.

    • A.2.1.3 

      Nuclear reactor fuel charging and discharging machines
      • Manipulative equipment especially designed or prepared for inserting or removing fuel in a nuclear reactor within the meaning of paragraph A.2.1.1.
    • A.2.1.4 

      Nuclear reactor control rods and equipment
      • Especially designed or prepared rods, support or suspension structures for those rods, rod drive mechanisms or rod guide tubes to control the fission process in a nuclear reactor within the meaning of paragraph A.2.1.1.
    • A.2.1.5 

      Nuclear reactor pressure tubes
      • Tubes especially designed or prepared to contain both fuel elements and the primary coolant in a nuclear reactor within the meaning of paragraph A.2.1.1.
    • A.2.1.6 

      Nuclear fuel cladding
      • Zirconium metal tubes or zirconium alloy tubes, or assemblies of tubes, especially designed or prepared for use as fuel cladding in a nuclear reactor within the meaning of paragraph A.2.1.1.
    • A.2.1.7 

      Primary coolant pumps or circulators
      • Pumps or circulators especially designed or prepared for circulating the primary coolant for a nuclear reactor within the meaning of paragraph A.2.1.1.
    • A.2.1.8 

      Nuclear reactor internals
      • Nuclear reactor internals especially designed or prepared for use in a nuclear reactor within the meaning of paragraph A.2.1.1. This includes, for example, support columns for the core, fuel channels, calandria tubes, thermal shields, baffles, core grid plates and diffuser plates.
    • A.2.1.9 

      Heat exchangers, as follows:
      • (a) 

        steam generators especially designed or prepared for the primary, or intermediate, coolant circuit of a nuclear reactor within the meaning of paragraph A.2.1.1; or
      • (b) 

        other heat exchangers especially designed or prepared for use in the primary coolant circuit of a nuclear reactor within the meaning of paragraph A.2.1.1.
      • NOTE
        • Paragraph A.2.1.9 does not include the emergency cooling system or the decay heat cooling system.
    • A.2.1.10 

      Neutron detectors
      • Especially designed or prepared neutron detectors for determining neutron flux levels within the core of a nuclear reactor within the meaning of paragraph A.2.1.1.
    • A.2.1.11 

      External thermal shields
      • External thermal shields especially designed or prepared for use in a nuclear reactor within the meaning of paragraph A.2.1.1 for reduction of heat loss and for containment vessel protection.

• — SOR/2025-196, s. 13

  • 13 Paragraph A.2.2 of Part A of the schedule to the English version of the Regulations is replaced by the following:

    • A.2.2 

      Plants for the reprocessing of irradiated fuel elements, and equipment especially designed or prepared for that purpose, including:

• — SOR/2025-196, s. 14

  • 14 Paragraphs A.2.2.1 and A.2.2.2 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.2.1 

      Irradiated fuel element decladding equipment and chopping machines
      • Remotely operated equipment especially designed or prepared for use in reprocessing plants referred to in paragraph A.2.2 and intended to expose or prepare the irradiated nuclear material in fuel assemblies, bundles or rods for processing.
    • A.2.2.2 

      Dissolver
      • Dissolver vessels or dissolvers employing mechanical devices especially designed or prepared for use in reprocessing plants referred to in paragraph A.2.2, intended for the dissolution of irradiated nuclear fuel and that are capable of withstanding hot, highly corrosive liquid, and that can be remotely loaded, operated and maintained.

• — SOR/2025-196, s. 15

  • 15 Part A of the schedule to the Regulations is amended by adding the following after paragraph A.2.2.4:

    • A.2.2.5 

      Neutron measurement systems for process control
      • Neutron measurement systems especially designed or prepared for integration and use with automated process control systems in reprocessing plants referred to in paragraph A.2.2.

• — SOR/2025-196, s. 16

  • • 16 (1) The portion of paragraph A.2.3 of Part A of the schedule to the Regulations before paragraph (a) is replaced by the following:

      • A.2.3 

        Plants for the fabrication of nuclear reactor fuel elements, and equipment especially designed or prepared for that purpose, including equipment that:

    • (2) Paragraphs A.2.3(a) to (d) of Part A of the schedule to the French version of the Regulations are replaced by the following:

      • a) 

        ils se trouvent normalement en contact direct avec le flux des matières nucléaires produites, ou bien traitent ou contrôlent directement ce flux;
      • b) 

        ils scellent les matières nucléaires à l’intérieur du gainage;
      • c) 

        ils vérifient l’intégrité du gainage ou l’étanchéité;
      • d) 

        ils vérifient le traitement de finition du combustible scellé.

    • (3) Paragraph A.2.3 of Part A of the schedule to the Regulations is amended by striking out “or” at the end of paragraph (c), by adding “or” at the end of paragraph (d) and by adding the following after paragraph (d):

      • (e) 

        is used for assembling reactor fuel elements.
      • NOTE
        • Such equipment or systems of equipment may include any of the following:
          • (a) 

            fully automatic pellet inspection stations especially designed or prepared for checking final dimensions and surface defects of the fuel pellets;
          • (b) 

            automatic welding machines especially designed or prepared for welding end caps onto the fuel pins (or rods);
          • (c) 

            automatic test and inspection stations especially designed or prepared for checking the integrity of completed fuel pins (or rods);
          • (d) 

            systems especially designed or prepared to manufacture nuclear fuel cladding.

• — SOR/2025-196, s. 17

  • 17 Paragraphs A.2.4.1.1(b) to (e) of Part A of the schedule to the Regulations are replaced by the following:

    • (b) 

      rotor tubes:
      • especially designed or prepared thin-walled cylinders with a thickness of 12 mm or less, a diameter of between 75 mm and 650 mm, and manufactured from high strength to density ratio materials;
    • (c) 

      rings or bellows:
      • components especially designed or prepared to give localized support to the rotor tube or to join together a number of rotor tubes. The bellows is a short cylinder with a wall thickness of 3 mm or less, a diameter of between 75 mm and 650 mm, having a convolute, and manufactured from high strength to density ratio materials;
    • (d) 

      baffles:
      • disc-shaped components of between 75 mm and 650 mm in diameter especially designed or prepared to be mounted inside the centrifuge rotor tube, in order to isolate the take-off chamber from the main separation chamber and, in some cases, to assist the UF₆ gas circulation within the main separation chamber of the rotor tube, and manufactured from high strength to density ratio materials; and
    • (e) 

      top caps or bottom caps:
      • disc-shaped components of between 75 mm and 650 mm in diameter especially designed or prepared to fit to the ends of the rotor tube, and so contain the UF₆ within the rotor tube, and in some cases to support, retain or contain as an integrated part an element of the upper bearing (top cap) or to carry the rotating elements of the motor and lower bearing (bottom cap), and manufactured from high strength to density ratio materials.
    • NOTE
      • The materials used for centrifuge rotating components include the following:
        • (a) 

          maraging steel capable of an ultimate tensile strength of 1.95 GPa or more;
        • (b) 

          aluminium alloys capable of an ultimate tensile strength of 0.46 GPa or more; and
        • (c) 

          filamentary materials suitable for use in composite structures and having a specific modulus of 3.18 × 10⁶ m or greater and a specific ultimate tensile strength of 7.62 × 10⁴ m or greater (specific modulus is the Young’s Modulus in N/m² divided by the specific weight in N/m³ and specific ultimate tensile strength is the ultimate tensile strength in N/m² divided by the specific weight in N/m³).

• — SOR/2025-196, s. 18

  • • 18 (1) Paragraph A.2.4.1.2(a) of Part A of the schedule to the Regulations is replaced by the following:

      • (a) 

        magnetic suspension bearings:
        • (1) 

          especially designed or prepared bearing assemblies consisting of an annular magnet suspended within a housing containing a damping medium. The housing will be manufactured from a UF₆-resistant material. The magnet couples with a pole piece or a second magnet fitted to the top cap described in paragraph A.2.4.1.1(e). The annular magnet may have a relationship between an outer and inner diameter smaller or equal to 1.6:1. It may also be in a form having an initial permeability of 0.15 H/m or more, or a remanence of 98.5% or more, or an energy product of greater than 80 kJ/m³. In addition to the usual material properties, it is a prerequisite that the deviation of the magnetic axes from the geometrical axes is limited to very small tolerances (lower than 0.1 mm) or that homogeneity of the material of the magnet is specially called for; or
        • (2) 

          active magnetic bearings especially designed or prepared for use in gas centrifuges;

    • (2) Paragraphs A.2.4.1.2(c) to (f) of Part A of the schedule to the Regulations are replaced by the following:

      • (c) 

        molecular pumps:
        • especially designed or prepared cylinders having internally machined or extruded helical grooves and internally machined bores. Typical dimensions are as follows: 75 mm to 650 mm internal diameter, 10 mm or more wall thickness, with the length equal to or greater than the diameter. The grooves are typically rectangular in cross-section and 2 mm or more in depth;
      • (d) 

        motor stators:
        • especially designed or prepared annular stators for high speed multiphase AC hysteresis (or reluctance) motors for synchronous operation within a vacuum at a frequency of 600 Hz or greater and a power of 40 VA or greater. The stators may consist of multiphase windings on a laminated low-loss iron core comprised of thin layers typically 2 mm thick or less;
      • (e) 

        centrifuge housing or recipients:
        • components especially designed or prepared to contain the rotor tube assembly of a gas centrifuge. The housing consists of a rigid cylinder of wall thickness up to 30 mm with precision-machined ends to locate the bearings and with one or more flanges for mounting. The machined ends are parallel to each other and perpendicular to the cylinder’s longitudinal axis to within 0.05° or less. The housing may also be a honeycomb-type structure to accommodate several rotor assemblies; and
      • (f) 

        scoops:
        • especially designed or prepared tubes for the extraction of UF₆ gas from within the rotor tube by a Pitot tube action (that is, with an aperture facing into the circumferential gas flow within the rotor tube, for example by bending the end of a radially disposed tube) and capable of being fixed to the central gas extraction system.

• — SOR/2025-196, s. 19

  • 19 Paragraphs A.2.4.2 to A.2.4.2.5 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.4.2 

      Especially designed or prepared auxiliary systems, equipment and components for gas centrifuge enrichment plants, including the following:
      • A.2.4.2.1 

        Feed systems or product and tails withdrawal systems
        • Especially designed or prepared process systems or equipment for enrichment plants, made of or protected by materials resistant to corrosion by UF₆ including
          • (a) 

            feed autoclaves, ovens or systems used for passing UF₆ to the enrichment process;
          • (b) 

            desublimers, cold traps or pumps used to remove UF₆ from the enrichment process for subsequent transfer upon heating;
          • (c) 

            solidification or liquefaction stations used to remove UF₆ from the enrichment process by compressing and converting UF₆ to a liquid or solid form; and
          • (d) 

            product and tails stations used for transferring UF₆ into containers.
      • A.2.4.2.2 

        Machine header piping systems
        • Especially designed or prepared piping systems and header systems for handling UF₆ within the centrifuge cascades. The piping system is normally of the triple header type with each centrifuge connected to each of the headers. There is thus a substantial amount of repetition in its form. It is wholly made of or protected by UF₆-resistant materials and is fabricated to very high vacuum and cleanliness standards.
      • A.2.4.2.3 

        Special shut-off and control valves
        • (a) 

          shut-off valves especially designed or prepared to act on the feed, product or tails UF₆ gas streams of a gas centrifuge; or
        • (b) 

          bellows-sealed valves, manual or automated shut-off or control, made of or protected by materials resistant to corrosion by UF₆, with an inside diameter of 10 mm to 160 mm, especially designed or prepared for use in main or auxiliary systems of gas centrifuge enrichment plants.
      • A.2.4.2.4 

        UF₆ mass spectrometers with ion sources
        • Especially designed or prepared mass spectrometers capable of taking on-line samples from UF₆ gas streams and having all of the following characteristics:
          • (a) 

            the capability of measuring ions of 320 atomic mass units or greater with a resolution of better than 1 part in 320;
          • (b) 

            ion sources made of or protected by nickel, nickel-copper alloys with a nickel content of 60% by weight or more, or nickel-chrome alloys;
          • (c) 

            electron bombardment ionization sources; and
          • (d) 

            a collector system suitable for isotopic analysis.
      • A.2.4.2.5 

        Frequency changers
        • Frequency changers (also known as converters or inverters) especially designed or prepared to supply motor stators within the meaning of paragraph A.2.4.1.2(d), or parts, components and sub-assemblies of such frequency changers, having both of the following characteristics:
          • (a) 

            a multiphase frequency output of 600 Hz or greater; and
          • (b) 

            high stability (with frequency control better than 0.2%).

• — SOR/2025-196, s. 20

  • 20 Paragraph A.2.4.3.1 of Part A of the schedule to the Regulations is replaced by the following:

    • A.2.4.3.1 

      Gaseous diffusion barriers and barrier materials
      • (a) 

        especially designed or prepared thin, porous filters, with a pore size of 10 nm to 100 nm, a thickness of 5 mm or less, and for tubular forms, a diameter of 25 mm or less, made of metallic, polymer or ceramic materials resistant to corrosion by UF₆; and
      • (b) 

        especially prepared compounds or powders for the manufacture of such filters. Such compounds and powders include nickel or alloys containing 60% by weight or greater nickel, aluminium oxide, or UF₆-resistant fully fluorinated hydrocarbon polymers having a purity of 99.9% by weight or greater, a particle size less than 10 µm, and a high degree of particle size uniformity, which are especially prepared for the manufacture of gaseous diffusion barriers.

• — SOR/2025-196, s. 21

  • 21 Paragraphs A.2.4.3.2 to A.2.4.3.5 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.4.3.2 

      Diffuser housings
      • Especially designed or prepared hermetically sealed cylindrical vessels for containing the gaseous diffusion barrier, made of or protected by UF₆-resistant materials.
    • A.2.4.3.3 

      Compressors and gas blowers
      • Especially designed or prepared compressors and gas blowers with a suction volume capacity of 1 m³/min or more of UF₆ and a discharge pressure of up to 500 kPa, designed for long-term operation in the UF₆ environment, as well as separate assemblies of such compressors and gas blowers. These compressors and gas blowers have a pressure ratio of 10:1 or less and are made of or protected by materials resistant to UF₆.
    • A.2.4.3.4 

      Rotary shaft seals
      • Especially designed or prepared vacuum seals, with seal feed and seal exhaust connections, for sealing the shaft connecting the compressor or the gas blower rotor with the driver motor so as to ensure a reliable seal against in-leaking of air into the inner chamber of the compressor or gas blower, which is filled with UF₆. Such seals are normally designed for a buffer gas in-leakage rate of less than 1 000 cm³/min.
    • A.2.4.3.5 

      Heat exchangers for cooling UF₆
      • Especially designed or prepared heat exchangers made of or protected by UF₆-resistant materials and intended for a leakage pressure change rate of less than 10 Pa/hour under a pressure difference of 100 kPa.

• — SOR/2025-196, s. 22

  • 22 The portion of paragraph A.2.4.4.1 of Part A of the schedule to the Regulations before paragraph (d) is replaced by the following:

    • A.2.4.4.1 

      Feed systems or product and tails withdrawal systems
      • Especially designed or prepared process systems or equipment for enrichment plants made of or protected by materials resistant to corrosion by UF₆, including
        • (a) 

          feed autoclaves, ovens or systems used for passing UF₆ to the enrichment process;
        • (b) 

          desublimers (or cold traps) or pumps used to remove UF₆ from the enrichment process for subsequent transfer upon heating;
        • (c) 

          solidification or liquefaction stations used to remove UF₆ from the enrichment process by compressing and converting UF₆ to a liquid or solid form; and

• — SOR/2025-196, s. 23

  • 23 Paragraphs A.2.4.4.3 to A.2.4.4.5 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.4.4.3 

      Vacuum systems
      • (a) 

        especially designed or prepared vacuum manifolds, vacuum headers and vacuum pumps having a suction capacity of 5 m³/min or more; and
      • (b) 

        vacuum pumps especially designed for service in UF₆-bearing atmospheres, made of or protected by materials resistant to corrosion by UF₆. These pumps may be either rotary or positive, may have displacement and fluorocarbon seals and may have special working fluids present.
    • A.2.4.4.4 

      Special shut-off and control valves
      • Especially designed or prepared bellows-sealed valves, manual or automated, shut-off or control, made of or protected by materials resistant to corrosion by UF₆, for installation in main and auxiliary systems of gaseous diffusion enrichment plants.
    • A.2.4.4.5 

      UF₆ mass spectrometers with ion sources
      • Especially designed or prepared mass spectrometers capable of taking on-line samples, from UF₆ gas streams and having all of the following characteristics:
        • (a) 

          the capability of measuring ions of 320 atomic mass units or greater with a resolution of better than 1 part in 320;
        • (b) 

          ion sources constructed of or protected by nickel, nickel-copper alloys with a nickel content of 60% by weight or more, or nickel-chrome alloys;
        • (c) 

          electron bombardment ionization sources; and
        • (d) 

          a collector system suitable for isotopic analysis.

• — SOR/2025-196, s. 24

  • 24 Paragraphs A.2.4.5.1 to A.2.4.5.3 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.4.5.1 

      Separation nozzles
      • Especially designed or prepared separation nozzles and separation nozzle assemblies. The separation nozzles consist of slit-shaped, curved channels having a radius of curvature of less than 1 mm, resistant to corrosion by UF₆ and having a knife-edge within the nozzle that separates the gas flowing through the nozzle into two fractions.
    • A.2.4.5.2 

      Vortex tubes
      • Especially designed or prepared vortex tubes and vortex tube assemblies. The vortex tubes are cylindrical or tapered, made of or protected by materials resistant to corrosion by UF₆, and with one or more tangential inlets. The tubes may be equipped with nozzle-type appendages at either or both ends.
    • A.2.4.5.3 

      Compressors and gas blowers
      • Especially designed or prepared compressors or gas blowers made of or protected by materials resistant to corrosion by the UF₆ carrier gas (hydrogen or helium) mixture.

• — SOR/2025-196, s. 25

  • 25 Paragraph A.2.4.5.9(a) of Part A of the schedule to the Regulations is replaced by the following:

    • (a) 

      especially designed or prepared vacuum systems, including vacuum manifolds, vacuum headers and vacuum pumps, designed for service in UF₆-bearing atmospheres; and

• — SOR/2025-196, s. 26

  • 26 Paragraph A.2.4.5.10 of Part A of the schedule to the Regulations is replaced by the following:

    • A.2.4.5.10 

      Special shut-off and control valves
      • Especially designed or prepared bellows-sealed valves, manual or automated, shut-off or control, made of or protected by materials resistant to corrosion by UF₆ and with a diameter of 40 mm or greater, for installation in main and auxiliary systems of aerodynamic enrichment plants.

• — SOR/2025-196, s. 27

  • • 27 (1) The portion of paragraph A.2.4.5.11 of Part A of the schedule to the Regulations before paragraph (c) is replaced by the following:

      • A.2.4.5.11 

        UF₆ mass spectrometers with ion sources
        • Especially designed or prepared mass spectrometers capable of taking on-line samples from UF₆ gas streams and having all of the following characteristics:
          • (a) 

            the capability of measuring ions of 320 atomic mass units or greater with a resolution of better than 1 part in 320;
          • (b) 

            ion sources constructed of or protected by nickel, nickel-copper alloys with a nickel content of 60% by weight or more, or nickel-chrome alloys;

    • (2) Paragraph A.2.4.5.11(d) of Part A of the schedule to the French version of the Regulations is replaced by the following:

      • d) 

        présence d’un collecteur adapté à l’analyse isotopique.

• — SOR/2025-196, s. 28

  • 28 Paragraphs A.2.4.6.1 and A.2.4.6.2 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.4.6.1 

      Liquid-liquid exchange columns (chemical exchange)
      • Countercurrent liquid-liquid exchange columns with mechanical power input, especially designed or prepared for uranium enrichment using the chemical exchange process. For corrosion resistance to concentrated hydrochloric acid solutions, these columns and their internals are generally made of or protected by suitable plastic materials (such as fluorinated hydrocarbon polymers) or glass. The stage residence time of the columns is normally designed to be 30 s or less.
    • A.2.4.6.2 

      Liquid-liquid centrifugal contactors (chemical exchange)
      • Liquid-liquid centrifugal contactors especially designed or prepared for uranium enrichment using the chemical exchange process. Such contactors use rotation to achieve dispersion of the organic and aqueous streams and then centrifugal force to separate the phases. For corrosion resistance to concentrated hydrochloric acid solutions, the contactors are generally made of or protected by suitable plastic materials (such as fluorinated hydrocarbon polymers) or glass. The stage residence time of the centrifugal contactors is normally designed to be 30 s or less.

• — SOR/2025-196, s. 29

  • 29 Paragraphs A.2.4.7.1 to A.2.4.7.3 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.4.7.1 

      Uranium vaporization systems (Atomic Vapour Laser Isotope Separation)
      • Especially designed or prepared uranium vaporization systems for use in laser enrichment.
    • A.2.4.7.2 

      Liquid or vapour uranium metal handling systems and components (Atomic Vapour Laser Isotope Separation)
      • Especially designed or prepared systems for handling molten uranium, molten uranium alloys or uranium metal vapour for use in laser enrichment, or especially designed or prepared components for that purpose.
    • A.2.4.7.3 

      Uranium metal product and tails collector assemblies (Atomic Vapour Laser Isotope Separation)
      • Especially designed or prepared product and tails collector assemblies for collecting uranium metal in liquid or solid form.

• — SOR/2025-196, s. 30

  • 30 Paragraph A.2.4.7.4 of Part A of the schedule to the Regulations is amended by replacing “AVLIS” with “Atomic Vapour Laser Isotope Separation”.

• — SOR/2025-196, s. 31

  • 31 Paragraphs A.2.4.7.5 and A.2.4.7.6 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.4.7.5 

      Supersonic expansion nozzles (Molecular Laser Isotope Separation)
      • Especially designed or prepared supersonic expansion nozzles for cooling mixtures of UF₆ and carrier gas to 150 K (-123°C) or less and that are corrosion resistant to UF₆.
    • A.2.4.7.6 

      Product or tails collectors (Molecular Laser Isotope Separation)
      • Especially designed or prepared components or devices for collecting uranium product material or uranium tails material following illumination with laser light.

• — SOR/2025-196, s. 32

  • 32 The portion of paragraph A.2.4.7.10 of Part A of the schedule to the Regulations before paragraph (c) is replaced by the following:

    • A.2.4.7.10 

      UF₆ mass spectrometers with ion sources (Molecular Laser Isotope Separation)
      • Especially designed or prepared mass spectrometers capable of taking on-line samples from UF₆ gas streams and having all of the following characteristics:
        • (a) 

          the capability of measuring ions of 320 atomic mass units or greater with a resolution of better than 1 part in 320;
        • (b) 

          ion sources constructed of or protected by nickel, nickel-copper alloys with a nickel content of 60% by weight or more, or nickel-chrome alloys;

• — SOR/2025-196, s. 33

  • 33 Paragraph A.2.4.7.13 of Part A of the schedule to the Regulations is amended by replacing “Laser systems (AVLIS, MLIS and CRISLA)” with “Laser systems”.

• — SOR/2025-196, s. 34

  • 34 Paragraphs A.2.4.8.3 and A.2.4.8.4 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.4.8.3 

      Uranium plasma generation systems
      • Especially designed or prepared systems for the generation of uranium plasma for use in plasma separation plants.

• — SOR/2025-196, s. 35

  • 35 Paragraphs A.2.5.1 to A.2.5.3 of Part A of the schedule to the Regulations are replaced by the following:

    • A.2.5.1 

      Water-hydrogen sulphide exchange towers
      • Exchange towers with diameters of 1.5 m or greater and capable of operating at pressures greater than or equal to 2 MPa, especially designed or prepared for heavy water production utilizing the water-hydrogen sulphide exchange process.
    • A.2.5.2 

      Blowers and compressors
      • Single stage, low head (i.e., 0.2 MPa) centrifugal blowers or compressors for hydrogen sulphide gas circulation (i.e., gas containing more than 70% by weight of hydrogen sulphide), especially designed or prepared for heavy water production utilizing the water-hydrogen sulphide exchange process. These blowers or compressors have a throughput capacity greater than or equal to 56 m³/s while operating at pressures greater than or equal to 1.8 MPa suction and have seals designed for wet hydrogen sulphide service.
    • A.2.5.3 

      Ammonia-hydrogen exchange towers
      • Ammonia-hydrogen exchange towers greater than or equal to 35 m in height with diameters of 1.5 m to 2.5 m and capable of operating at pressures greater than 15 MPa, especially designed or prepared for heavy water production utilizing the ammonia-hydrogen exchange process. These towers also have at least one flanged, axial opening of the same diameter as the cylindrical part through which the internals can be inserted or withdrawn.

• — SOR/2025-196, s. 36

  • 36 Paragraph A.2.5.6 of Part A of the schedule to the Regulations is replaced by the following:

    • A.2.5.6 

      Infrared absorption analyzers
      • Infrared absorption analyzers capable of on-line hydrogen to deuterium ratio analysis if deuterium concentrations are equal to or greater than 90% by weight.

• — SOR/2025-196, s. 37

  • 37 Paragraph A.2.5.8 of Part A of the schedule to the English version of the Regulations is replaced by the following:

    • A.2.5.8 

      Complete heavy water upgrade systems or columns for those systems
      • Complete heavy water upgrade systems, or columns for them, especially designed or prepared for the upgrade of heavy water to reactor-grade deuterium concentration.

• — SOR/2025-196, s. 38

  • 38 Part A of the schedule to the Regulations is amended by adding the following after paragraph A.2.5.8:

    • A.2.5.9 

      Ammonia synthesis converters or synthesis units
      • Ammonia synthesis converters or synthesis units especially designed or prepared for heavy water production utilizing the ammonia-hydrogen exchange process.

• — SOR/2025-196, s. 39

  • 39 Part A of the schedule to the Regulations is amended by adding the following after paragraph A.3:

    • NOTE

      Paragraph A.3 includes parts designed or prepared for controlled nuclear equipment identified in paragraphs comprising A.2.

• — SOR/2025-196, s. 40

  • 40 Paragraph A.4.1 of Part A of the schedule to the Regulations is replaced by the following:

    • A.4.1 

      Technology
      • Technical data for the design, production, construction, operation or maintenance of any item in this part, including, but not limited to, blueprints, plans, diagrams, models, formulae, engineering designs and specifications, software, manuals and instructions, except data available to the public (e.g., publications, publicly available websites, or that which has been made available without restrictions on its further dissemination).
      • NOTE

        Technical data referred to in paragraph A.4.1 is subject to control under both tangible and intangible modes of transfer.

• — SOR/2025-196, s. 41

  • 41 Paragraph B.1.1.1 of Part B of the schedule to the Regulations is replaced by the following:

    • B.1.1.1 

      Radionuclides appropriate for making neutron sources based on alpha-n reaction as follows:
      • (a) 

        actinium-225 (²²⁵Ac);
      • (b) 

        actinium-227 (²²⁷Ac);
      • (c) 

        californium-253 (²⁵³Cf);
      • (d) 

        curium-240 (²⁴⁰Cm);
      • (e) 

        curium-241 (²⁴¹Cm);
      • (f) 

        curium-242 (²⁴²Cm);
      • (g) 

        curium-243 (²⁴³Cm);
      • (h) 

        curium-244 (²⁴⁴Cm);
      • (i) 

        einsteinium-253 (²⁵³Es);
      • (j) 

        einsteinium-254 (²⁵⁴Es);
      • (k) 

        gadolinium-148 (¹⁴⁸Gd);
      • (l) 

        plutonium-236 (²³⁶Pu);
      • (m) 

        plutonium-238 (²³⁸Pu);
      • (n) 

        polonium-208 (²⁰⁸Po);
      • (o) 

        polonium-209 (²⁰⁹Po);
      • (p) 

        polonium-210 (²¹⁰Po);
      • (q) 

        radium-223 (²²³Ra);
      • (r) 

        thorium-227 (²²⁷Th);
      • (s) 

        thorium-228 (²²⁸Th);
      • (t) 

        uranium-230 (²³⁰U); and
      • (u) 

        uranium-232 (²³²U).
      • NOTE
        • These radionuclides may be in elemental form or may be contained in:
          • (a) 

            compounds having a total radioactivity of 37 GBq/kg or greater;
          • (b) 

            mixtures having a total radioactivity of 37 GBq/kg or greater;
          • (c) 

            products or devices containing anything referred to in paragraphs (a) and (b), except a product or device containing a compound or mixture having a total radioactivity of less than 3.7 GBq; or
          • (d) 

            products or devices containing radionuclides in elemental form, except a product or device having a total radioactivity of less than 3.7 GBq.

• — SOR/2025-196, s. 42

  • 42 The portion of paragraph B.1.1.2 of Part B of the schedule to the Regulations before the note is replaced by the following:

    • B.1.1.2 

      Aluminium alloys capable of an ultimate tensile strength of 0.46 GPa or more at 293 K, in the form of tubes or cylindrical solid forms (including forgings) with an outside diameter of more than 75 mm.

• — SOR/2025-196, s. 43

  • 43 Paragraph B.1.1.4 of Part B of the schedule to the Regulations is replaced by the following:

    • B.1.1.4 

      Bismuth having both of the following characteristics:
      • (a) 

        a purity of 99.99% or greater by weight;
      • (b) 

        a silver content of less than 10 ppm by weight.

• — SOR/2025-196, s. 44

  • 44 Paragraph B.1.1.11 of Part B of the schedule to the Regulations is replaced by the following:

    • B.1.1.11 

      Helium-3 or mixtures, products or devices containing helium-3, except a product or device containing less than 1 g of helium-3.

• — SOR/2025-196, s. 45

  • 45 The portion of paragraph B.1.1.12 of Part B of the schedule to the Regulations before the note is replaced by the following:

    • B.1.1.12 

      Lithium having any of the following characteristics:
      • (a) 

        enriched in the lithium-6 isotope (⁶Li) to greater than 7.5 atom percent;
      • (b) 

        enriched in the lithium-6 isotope contained in alloys, compounds, mixtures, waste or scrap;
      • (c) 

        conforming to the description in paragraph (a) or (b) and contained in products or devices, except thermoluminescent dosimeters.

• — SOR/2025-196, s. 46

  • • 46 (1) The portion of paragraph B.1.1.14 of Part B of the schedule to the Regulations before the note is replaced by the following:

      • B.1.1.14 

        Maraging steel capable of an ultimate tensile strength of 1 950 MPa or more at 293 K, except forms in which no linear dimension exceeds 75 mm.

    • (2) The note at the end of paragraph B.1.1.14 of Part B of the schedule to the French version of the Regulations is replaced by the following:

      • NOTA :
        • L’expression « capable d’une » couvre l’acier martensitique vieillissable avant ou après le traitement thermique.

• — SOR/2025-196, s. 47

  • 47 Paragraph B.1.1.16 of Part B of the schedule to the Regulations is replaced by the following:

    • B.1.1.16 

      Radium-226, radium-226 alloys, radium-226 compounds, or mixtures containing radium-226, products manufactured from them and products or devices containing any of them, except medical applicators and a product or device containing not more than 0.37 GBq of radium-226 in any form.

• — SOR/2025-196, s. 48

  • 48 The portion of paragraph B.1.1.17 of Part B of the schedule to the Regulations before the note is replaced by the following:

    • B.1.1.17 

      Titanium alloys capable of an ultimate tensile strength of 900 MPa or more at 293 K in the form of tubes or cylindrical solid forms (including forgings) with an outside diameter of more than 75 mm.

• — SOR/2025-196, s. 49

  • 49 Paragraph B.1.1.18 of Part B of the schedule to the Regulations is replaced by the following:

    • B.1.1.18 

      Tungsten, tungsten carbide, or tungsten alloys (greater than 90% tungsten by weight) having a mass greater than 20 kg and in forms with a hollow cylindrical symmetry (including cylinder segments) with an inside diameter between 100 mm and 300 mm, except parts specifically designed for use as weights or gamma-ray collimators.

• — SOR/2025-196, s. 50

  • 50 Paragraph B.1.1.20 of Part B of the schedule to the Regulations is replaced by the following:

    • B.1.1.20 

      Rhenium, alloys containing 90% or more by weight of rhenium, and alloys of rhenium and tungsten containing 90% or more by weight of any combination of rhenium and tungsten, having both of the following characteristics:
      • (a) 

        a form with a hollow cylindrical symmetry (including cylinder segments) with an inside diameter between 100 mm and 300 mm; and
      • (b) 

        a mass greater than 20 kg.
    • B.1.2 

      Any substance not otherwise included in paragraph B.1 if the substance is intended, or there are reasonable grounds to suspect that it is intended, in whole or in part, for use in connection with the design, development, production, handling, operation, maintenance or storage of nuclear weapons or other nuclear explosive devices.

• — SOR/2025-196, s. 51

  • 51 Paragraph B.2.1.1 of Part B of the schedule to the Regulations is replaced by the following:

    • B.2.1.1 

      Flow-forming machines and spin-forming machines capable of flow-forming functions, and mandrels, as follows, and specially designed software for them:
      • (a) 

        machines having three or more rollers (active or guiding) and that, according to the manufacturer’s technical specification, can be equipped with numerical control units or a computer control; and
      • (b) 

        rotor-forming mandrels designed to form cylindrical rotors of inside diameter between 75 mm and 650 mm.
      • NOTE
        • Paragraph (a) includes machines that have only a single roller designed to deform metal and two auxiliary rollers that support the mandrel but do not participate directly in the deformation process.

• — SOR/2025-196, s. 52

  • • 52 (1) The portion of paragraph B.2.1.3 of Part B of the schedule to the Regulations before paragraph (b) is replaced by the following:

      • B.2.1.3 

        Dimensional inspection machines, instruments or systems, as follows, and software specially designed for those machines, instruments or systems:
        • (a) 

          computer controlled or numerically controlled coordinate measuring machines having either of the following characteristics:
          • (1) 

            only two axes and a maximum permissible error (MPE) of length measurement along any axis (one-dimensional), identified as any combination of E_{0x MPE}, E_{0y MPE} or E_{0z MPE}, equal to or less (better) than (1.25 + L/1 000) μm (where L is the measured length in mm) at any point within the operating range of the machine (i.e., within the length of the axis), according to ISO 10360-2:2009;
          • (2) 

            three or more axes and a maximum permissible error (MPE) of three-dimensional (volumetric) length measurement (E_{0 MPE}) equal to or less (better) than (1.7 + L/800) μm (where L is the measured length in mm) at any point within the operating range of the machine (i.e., within the length of the axis), according to ISO 10360-2:2009;

    • (2) The note at the end of paragraph B.2.1.3(b) of Part B of the schedule to the English version of the Regulations is replaced by the following:

      • NOTE
        • Paragraph B.2.1.3(b)(3) does not include measuring interferometer systems, without closed or open loop feedback, containing a laser to measure slide movement errors of machine tools, dimensional inspection machines or similar equipment.

    • (3) The second note at the end of paragraph B.2.1.3 of Part B of the schedule to the Regulations is amended by adding “and” at the end of paragraph (b) and by repealing paragraph (c).

• — SOR/2025-196, s. 53

  • • 53 (1) The portion of paragraph B.2.1.6 of Part B of the schedule to the Regulations before paragraph (a) is replaced by the following:

      • B.2.1.6 

        Robots or end-effectors having characteristics set out in paragraphs (a) or (b) and specially designed software or specially designed control units for those devices:

    • (2) Paragraph B.2.1.6 of Part B of the schedule to the Regulations is amended by striking out “or” at the end of paragraph (a), by adding “and” at the end of paragraph (b) and by adding the following after paragraph (b):

      • (c) 

        control units specially designed for any of the robots or end-effectors specified in paragraph (a).

• — SOR/2025-196, s. 54

  • 54 Paragraph B.2.1.7(a) of Part B of the schedule to the Regulations is replaced by the following:

    • (a) 

      electrodynamic vibration test systems, employing feedback or closed loop control techniques and incorporating a digital controller, capable of vibrating at 10 g RMS or more between 20 Hz and 2 000 Hz and capable of imparting forces of 50 kN measured bare table or greater;

• — SOR/2025-196, s. 55

  • 55 Paragraph B.2.1.8 of Part B of the schedule to the Regulations is replaced by the following:

    • B.2.1.8 

      Vacuum or other controlled atmosphere metallurgical melting and casting furnaces and related equipment, as follows, as well as specially configured computer control and monitoring systems and specially designed software for that purpose:
      • (a) 

        arc remelt furnaces, arc melt furnaces and arc melt and casting furnaces with consumable electrode capacities between 1 000 cm³ and 20 000 cm³ and capable of operating with melting temperatures above 1 700°C;
      • (b) 

        electron beam melting furnaces, plasma atomization furnaces and plasma melting furnaces with a power of 50 kW or greater and capable of operating with melting temperatures above 1 200°C;
      • (c) 

        plasma torches specially designed for the furnaces specified in paragraph (b) having both of the following characteristics:
        • (1) 

          operating at a power greater than 50 kW; and
        • (2) 

          capable of operating above 1 200°C; and
      • (d) 

        electron beam guns specially designed for the furnaces specified in paragraph (b) operating at a power greater than 50 kW.

• — SOR/2025-196, s. 56

  • 56 Paragraphs B.2.2.2(c)(1) to (3) of Part B of the schedule to the Regulations are replaced by the following:

    • (1) 

      75 mm to 650 mm inside diameter;
    • (2) 

      12.7 mm or more in length;
    • (3) 

      single convolution depth of more than 2 mm.

• — SOR/2025-196, s. 57

  • 57 Paragraphs B.2.2.4 and B.2.2.5 of Part B of the schedule to the Regulations are replaced by the following:

    • B.2.2.4 

      Filament winding machines and related equipment, as follows, and specially designed software for those machines and related equipment:
      • (a) 

        filament-winding machines having all of the following characteristics:
        • (1) 

          motions for positioning, wrapping and winding fibres coordinated and programmed in two or more axes;
        • (2) 

          specially designed to fabricate composite structures or laminates from fibrous or filamentary materials; and
        • (3) 

          capable of winding cylindrical tubes with an internal diameter between 75 mm and 650 mm and lengths of 300 mm or greater;
      • (b) 

        coordinating and programming controls for the filament-winding machines specified in paragraph (a);
      • (c) 

        precision mandrels for the filament-winding machines specified in paragraph (a); and
      • (d) 

        specially designed software for the filament-winding machines specified in paragraph (a).
    • B.2.2.5 

      Frequency changers (also known as converters or inverters) or generators usable as a variable frequency or fixed frequency motor drive, and related software:
      • (a) 

        frequency changers or generators having all of the following characteristics;
        • (1) 

          multiphase output capable of providing a power of 40 VA or greater;
        • (2) 

          operating at a frequency of 600 Hz or greater;
        • (3) 

          frequency control better (less) than 0.2%; and
      • (b) 

        software, as the case may be
        • (1) 

          specially designed for the use of equipment specified in paragraphs (a)(1) to (3);
        • (2) 

          having encryption keys or codes specially designed to enhance or release the performance characteristics of equipment not included in paragraphs (a)(1) to (3) so that it meets or exceeds the characteristics specified in those paragraphs; or
        • (3) 

          specially designed to enhance or release the performance characteristics of the equipment.
      • NOTE
        • Paragraph B.2.2.5 includes frequency changers intended for specific industrial machinery or consumer goods (machine tools, vehicles, etc.) if the frequency changers can meet the characteristics above when removed.

• — SOR/2025-196, s. 58

  • • 58 (1) Paragraph B.2.2.6(a) of Part B of the schedule to the Regulations is replaced by the following:

      • (a) 

        copper vapour lasers with 30 W or greater average output power operating at wavelengths between 500 nm and 600 nm;

    • (2) Paragraph B.2.2.6(c)(2) of Part B of the schedule to the Regulations is replaced by the following:

      • (2) 

        frequency doubling incorporated to give an output wavelength between 500 nm and 550 nm with an average output power of greater than 40 W;

    • (3) Paragraph B.2.2.6 of Part B of the schedule to the Regulations is amended by striking out “and” at the end of paragraph (h), by adding “and” at the end of paragraph (i) and by adding the following after paragraph (i):

      • (j) 

        pulsed carbon monoxide lasers having all of the following characteristics:
        • (1) 

          operating at wavelengths between 5 000 nm and 6 000 nm;
        • (2) 

          an average output power greater than 200 W;
        • (3) 

          a repetition rate greater than 250 Hz; and
        • (4) 

          pulse width of less than 200 ns.

• — SOR/2025-196, s. 59

  • • 59 (1) The portion of paragraph B.2.2.7 of Part B of the schedule to the Regulations before paragraph (a) is replaced by the following:

      • B.2.2.7 

        Mass spectrometers capable of measuring ions of 230 atomic mass units or greater with a resolution of better than 2 parts in 230, and one of the following characteristics:

    • (2) Paragraphs B.2.2.7(d) to (f) of Part B of the schedule to the Regulations are replaced by the following:

      • (d) 

        electron bombardment mass spectrometers having both of the following characteristics:
        • (1) 

          a molecular beam inlet system that injects a collimated beam of analyte molecules into a region of the ion source where the molecules are ionized by an electron beam; and
        • (2) 

          one or more cold traps that can be cooled to a temperature of 193 K (-80°C) or less in order to trap analyte molecules that are not ionized by the electron beam; and
      • (e) 

        mass spectrometers equipped with a microfluorination ion source designed for actinides or actinide fluorides.

• — SOR/2025-196, s. 60

  • 60 The portion of paragraph B.2.2.8 of Part B of the schedule to the Regulations before the note is replaced by the following:

    • B.2.2.8 

      All types of pressure transducers capable of measuring absolute pressure and having the following characteristics:
      • (a) 

        pressure sensing elements made of or protected by aluminium, aluminium alloy, aluminium oxide (alumina or sapphire), nickel or nickel alloys containing more than 60% nickel by weight, or fully fluorinated hydrocarbon polymers;
      • (b) 

        seals, if any, essential for sealing the pressure sensing element, and in direct contact with the process medium, made of or protected by aluminium, aluminium alloy, aluminium oxide (alumina or sapphire), nickel or nickel alloys containing more than 60% nickel by weight, or fully fluorinated hydrocarbon polymers;
      • (c) 

        either of the following characteristics:
        • (1) 

          a full scale of less than 13 kPa and an accuracy of better than ±1% of full scale; or
        • (2) 

          a full scale of 13 kPa or greater and an accuracy of better than ±130 Pa when measuring at 13 kPa.

• — SOR/2025-196, s. 61

  • 61 Part B of the schedule to the Regulations is amended by adding the following after paragraph B.2.2.14:

    • B.2.2.15 

      Bellows-sealed scroll-type compressors and bellows-sealed scroll-type vacuum pumps having all of the following characteristics:
      • (a) 

        capable of an inlet volume flow rate of 50 m³/h or greater;
      • (b) 

        capable of a pressure ratio of 2:1 or greater; and
      • (c) 

        having all surfaces that come in contact with the process gas made from any of the following materials:
        • (1) 

          aluminium or aluminium alloy;
        • (2) 

          aluminium oxide;
        • (3) 

          stainless steel;
        • (4) 

          nickel or nickel alloy;
        • (5) 

          phosphor bronze; or
        • (6) 

          fluoropolymers.
      • NOTES
        • 1 

          In a scroll-type compressor or vacuum pump, crescent-shaped pockets of gas are trapped between one or more pairs of intermeshed spiral vanes, or scrolls, one of which moves while the other remains stationary. The moving scroll orbits the stationary scroll and does not rotate. As the moving scroll orbits the stationary scroll, the gas pockets diminish in size (i.e., they are compressed) as they move toward the outlet port of the machine.
        • 2 

          In a bellows-sealed scroll-type compressor or vacuum pump, the process gas is totally isolated from the lubricated parts of the pump and from the external atmosphere by a metal bellows. One end of the bellows is attached to the moving scroll and the other end is attached to the stationary housing of the pump.
        • 3 

          Fluoropolymers include, but are not limited to, the following materials:
          • (a) 

            polytetrafluoroethylene (PTFE);
          • (b) 

            fluorinated ethylene propylene (FEP);
          • (c) 

            perfluoroalkoxy (PFA);
          • (d) 

            polychlorotrifluoroethylene (PCTFE); and
          • (e) 

            vinylidene fluoride-hexafluoropropylene copolymer.

• — SOR/2025-196, s. 62

  • 62 Paragraphs B.2.3.3 to B.2.3.5 of Part B of the schedule to the Regulations are replaced by the following:

    • B.2.3.4 

      Hydrogen-cryogenic distillation columns having all of the following characteristics:
      • (a) 

        designed for operation at internal temperatures of 35 K (-238ºC) or less;
      • (b) 

        designed for operation at internal pressures of 0.5 MPa to 5 MPa;
      • (c) 

        constructed of either
        • (1) 

          stainless steels of SAE 300 series with low sulfur content and an austenitic ASTM (or equivalent standard) grain size number of 5 or greater; or
        • (2) 

          equivalent materials that are both cryogenic and H₂-compatible; and
      • (d) 

        having internal diameters of 30 cm or greater and effective lengths of 4 m or greater.

• — SOR/2025-196, s. 63

  • 63 Paragraphs B.2.4.2 to B.2.4.4 of Part B of the schedule to the Regulations are replaced by the following:

    • B.2.4.2 

      High-velocity gun systems (propellant, gas, coil, electromagnetic, and electrothermal types, and other advanced systems) capable of accelerating projectiles to 1.5 km/s or greater.
      • NOTE
        • Paragraph B.2.4.2 does not control guns specially designed for high-velocity weapon systems.
    • B.2.4.3 

      High-speed cameras and imaging devices, and components for those cameras or devices, as follows:
      • (a) 

        streak cameras, and specially designed components for those cameras, as follows:
        • (1) 

          streak cameras with writing speeds greater than 0.5 mm/µs;
        • (2) 

          electronic streak cameras capable of 50 ns or less time resolution;
        • (3) 

          streak tubes for cameras specified in paragraph (2);
        • (4) 

          plug-ins specially designed for use with streak cameras having modular structures and that enable the performance specifications set out in paragraphs (1) and (2); and
        • (5) 

          synchronizing electronic units, and their rotor assemblies consisting of turbines, mirrors and bearings, specially designed for cameras specified in paragraph (1);
      • (b) 

        framing cameras, and specially designed components for those cameras, as follows:
        • (1) 

          framing cameras with recording rates greater than 225 000 frames per second;
        • (2) 

          framing cameras capable of 50 ns or less frame exposure time;
        • (3) 

          framing tubes and solid-state imaging devices having a fast image gating (shutter) time of 50 ns or less specifically designed for cameras specified in paragraphs (1) and (2);
        • (4) 

          plug-ins specially designed for use with framing cameras having modular structures and that enable the performance specifications set out in paragraphs (1) and (2); and
        • (5) 

          synchronizing electronic units, and their rotor assemblies consisting of turbines, mirrors and bearings, specially designed for cameras specified in paragraphs (1) and (2); and
      • (c) 

        solid-state or electron tube cameras and specially designed components for those cameras, as follows:
        • (1) 

          solid-state cameras or electron tube cameras, with a fast-image gating (shutter) time of 50 ns or less;
        • (2) 

          solid-state imaging devices and image intensifier tubes having a fast-image gating (shutter) time of 50 ns or less specially designed for cameras specified in paragraph (1);
        • (3) 

          electro-optical shutters (Kerr or Pockels cells) with a fast-image gating (shutter) time of 50 ns or less; and
        • (4) 

          plug-ins specially designed for use with cameras having modular structures and that enable the performance specifications set out in paragraph (1).

• — SOR/2025-196, s. 64

  • 64 Paragraph B.2.4.5 of Part B of the schedule to the Regulations is replaced by the following:

    • B.2.4.5 

      Specialized instrumentation for hydrodynamic experiments, as follows:
      • (a) 

        velocity interferometers for measuring velocities exceeding 1 km/s during time intervals of less than 10 µs;
      • (b) 

        shock pressure gauges capable of measuring pressures greater than 10 GPa, including gauges made with manganin, ytterbium and polyvinylidene fluoride (PVDF) or polyvinyl difluoride (PVF₂); and
      • (c) 

        quartz pressure transducers for pressures greater than 10 GPa.
      • NOTE
        • Paragraph B.2.4.5(a) includes velocity interferometers such as velocity interferometer systems for any reflector (VISARs), Doppler laser interferometers (DLIs) and photonic Doppler velocimeters (PDVs), also known as heterodyne velocimeters (Het-V).
    • B.2.4.6 

      High-explosive containment vessels, chambers, containers and other similar containment devices designed for the testing of high explosives or explosive devices and having both of the following characteristics:
      • (a) 

        designed to fully contain an explosion equivalent to 2 kg of trinitrotoluene (TNT) or greater; and
      • (b) 

        having design elements or features enabling real-time or delayed transfer of diagnostic or measurement information.

• — SOR/2025-196, s. 65

  • 65 Paragraphs B.2.5.3 and B.2.5.4 of Part B of the schedule to the Regulations are replaced by the following:

    • B.2.5.3 

      Firing sets and equivalent high-current pulse generators, as follows:
      • (a) 

        detonator firing sets (initiation systems, firesets), including electronically charged, explosively driven and optically driven firing sets designed to drive multiple controlled detonators specified in paragraph B.2.5.1;
      • (b) 

        modular electrical pulse generators (pulsers) having all of the following characteristics:
        • (1) 

          capable of delivering their energy in less than 15 µs into loads of less than 40 Ω;
        • (2) 

          having an output greater than 100 A;
        • (3) 

          designed for portable, mobile or ruggedized use;
        • (4) 

          having no dimension greater than 30 cm;
        • (5) 

          weighing less than 30 kg; and
        • (6) 

          specified to operate over an extended temperature range from 223 K to 373 K (-50°C to 100°C) or specified as suitable for aerospace applications; and
      • (c) 

        micro-firing units having all of the following characteristics:
        • (1) 

          no dimension greater than 35 mm;
        • (2) 

          voltage rating of equal to or greater than 1 kV;
        • (3) 

          capacitance of equal to or greater than 100 nF.
      • NOTE
        • Optically driven firing sets include both those employing laser initiation and laser charging. Explosively driven firing sets include both explosive ferroelectric and explosive ferromagnetic firing set types. Paragraph B.2.5.3(b) includes xenon flashlamp drivers.
    • B.2.5.4 

      High explosive substances or mixtures containing more than 2% by weight of any of the following:
      • (a) 

        cyclotetramethylenetetranitramine (HMX) (CAS 2691-41-0);
      • (b) 

        cyclotrimethylenetrinitramine (RDX) (CAS 121-82-4);
      • (c) 

        triaminotrinitrobenzene (TATB) (CAS 3058-38-6);
      • (d) 

        aminodinitrobenzo-furoxan or 7-amino-4,6 nitrobenzofurazane-1-oxide (ADNBF) (CAS 97096-78-1);
      • (e) 

        1,1-diamino-2,2-dinitroethylene (DADE or FOX7) (CAS 145250-81-3);
      • (f) 

        2,4-dinitroimidazole (DNI) (CAS 5213-49-0);
      • (g) 

        diaminoazoxyfurazan (DAAOF or DAAF) (CAS 78644-89-0);
      • (h) 

        diaminotrinitrobenzene (DATB) (CAS 1630-08-6);
      • (i) 

        dinitroglycoluril (DNGU or DINGU) (CAS 55510-04-8);
      • (j) 

        2,6-Bis(picrylamino)-3,5-dinitropyridine (PYX) (CAS 38082-89-2);
      • (k) 

        3,3′-diamino-2,2′,4,4′,6,6′-hexanitrobiphenyl or dipicramide (DIPAM) (CAS 17215-44-0);
      • (l) 

        diaminoazofurazan (DAAzF) (CAS 78644-90-3);
      • (m) 

        1,4,5,8-tetranitro-pyridazino[4,5-d]pyridazine (TNP) (CAS 229176-04-9);
      • (n) 

        hexanitrostilbene (HNS) (CAS 20062-22-0) or;
      • (o) 

        any explosive with a crystal density greater than 1.8 g/cm³ and having a detonation velocity greater than 8 000 m/s.
    • B.2.5.5 

      Striplines to provide a low inductance path to detonators and having both of the following characteristics:
      • (a) 

        voltage rating greater than 2 kV; and
      • (b) 

        inductance of less than 20 nH.

• — SOR/2025-196, s. 66

  • 66 Paragraph B.2.6.2 of Part B of the schedule to the Regulations is replaced by the following:

    • B.2.6.2 

      High-speed pulse generators and pulse heads with output voltages greater than 6 V into a resistive load of less than 55 Ω and with pulse transition times of less than 500 ps (defined as the time interval between 10% and 90% voltage amplitude).

• — SOR/2025-196, s. 67

  • 67 Paragraph B.2.7.1 of Part B of the schedule to the Regulations is replaced by the following:

    • B.2.7.1 

      Neutron generator systems, including tubes, having all of the following characteristics:
      • (a) 

        designed for operation without an external vacuum system; and
      • (b) 

        utilizing electrostatic acceleration to induce
        • (1) 

          a tritium-deuterium nuclear reaction; or
        • (2) 

          a deuterium-deuterium nuclear reaction capable of an output of 3 × 10⁹ neutrons/s or greater.

• — SOR/2025-196, s. 68

  • 68 The portion of paragraph B.2.7.2(a) of Part B of the schedule to the Regulations before paragraph (1) is replaced by the following:

    • (a) 

      remote manipulators that can be used to provide remote actions in radiochemical separation operations or hot cells, as follows:

• — SOR/2025-196, s. 69

  • 69 Paragraph B.2.7.3(b)(2) of Part B of the schedule to the Regulations is replaced by the following:

    • (2) 

      hydrogen isotope storage or hydrogen isotope purification systems using metal hydrides as the storage or purification medium.

• — SOR/2025-196, s. 70

  • 70 Paragraphs B.2.7.5 and B.2.7.6 of Part B of the schedule to the Regulations are replaced by the following:

    • B.2.7.5 

      Lithium isotope separation facilities or plants and systems and equipment for that purpose, as follows:
      • (a) 

        facilities or plants for the separation of lithium isotopes;
      • (b) 

        equipment for the separation of lithium isotopes based on the lithium-mercury amalgam process, as follows:
        • (1) 

          packed liquid-liquid exchange columns specially designed for lithium amalgams;
        • (2) 

          mercury and lithium amalgam pumps;
        • (3) 

          lithium amalgam electrolysis cells; or
        • (4) 

          evaporators for concentrated lithium hydroxide solution;
      • (c) 

        ion exchange systems specially designed for lithium isotope separation and specially designed components for those systems; and
      • (d) 

        chemical exchange systems (employing crown ethers, cryptands or lariat ethers) specially designed for lithium isotope separation and specially designed components for those systems.
    • B.2.7.6 

      Target assemblies and components for the production of tritium, as follows:
      • (a) 

        target assemblies, made of or containing lithium enriched in the lithium-6 isotope, specially designed for the production of tritium through irradiation, including insertion in a nuclear reactor; and
      • (b) 

        components specially designed for the target assemblies specified in paragraph (a).
      • NOTE
        • Components specially designed for target assemblies for the production of tritium may include lithium pellets, tritium getters and specially coated cladding.
    • B.2.8 

      Any equipment not otherwise included in paragraph B.2 if the equipment is intended, or there are reasonable grounds to suspect that it is intended, in whole or in part, for use in connection with the design, development, production, handling, operation, maintenance or storage of nuclear weapons or other nuclear explosive devices.

• — SOR/2025-196, s. 71

  • 71 Paragraph B.3.1 of Part B of the schedule to the Regulations is replaced by the following:

    • B.3.1 

      Technology
      • Technical data for the design, production, construction, operation or maintenance of any item in this Part, including, but not limited to, blueprints, plans, diagrams, models, formulae, engineering designs and specifications, software, manuals and instructions, except data available to the public (e.g., publications, publicly available websites or that which has been made available without restrictions on its further dissemination).
        • NOTE
          • Technical data referred to in paragraph B.3.1 is subject to control under both tangible and intangible modes of transfer.
    • B.3.2 

      Any information not otherwise included in paragraph B.3.1 if the information is intended, or there are reasonable grounds to suspect that it is intended, in whole or in part, for use in connection with the design, development, production, handling, operation, maintenance or storage of nuclear weapons or other nuclear explosive devices.

• — SOR/2025-196, s. 72

  • 72 Paragraphs A.2.2.3 and A.2.2.4 of Part A of the schedule to the Regulations are amended by replacing “a plant for the reprocessing of irradiated fuel” with “reprocessing plants referred to in paragraph A.2.2”.

• — SOR/2025-196, s. 73

  • 73 Part A of the schedule to the Regulations is amended by replacing “MLIS” with “molecular laser isotope separation” in the following provisions:

    • (a) paragraphs A.2.4.7.7 to A.2.4.7.9; and

    • (b) paragraphs A.2.4.7.11 and A.2.4.7.12.