50. The Minister shall refuse to issue an authorization certificate if, according to the information provided and scientific data or other information or evidence available, a precursor set out in Part 1 of Schedule VI to the Act can be readily extracted from the preparation or mixture that is the subject of the application, having regard to the complexity and cost of extraction, or the preparation or mixture can be used in the production of a controlled substance.

51. A person who imports or exports a Class A precursor that is a preparation or mixture mentioned in an authorization certificate shall ensure that the shipment is accompanied by a document containing:

• (a) a statement that the preparation or mixture is subject to an authorization certificate under section 49; and

• (b) the certificate number for the preparation or mixture.

52. The Minister shall revoke an authorization certificate at the request of the holder.

• 53. (1) The Minister shall, in accordance with subsection 84(1), revoke an authorization certificate if the certificate

  • (a) was issued on the basis of false or misleading information, or false or falsified documents; or

  • (b) has been the subject of a suspension under paragraph 54(a) and subsection 84(2) and the suspension has not been complied with.

• (2) The Minister may revoke an authorization certificate if the holder fails to comply with a decision of the Minister to suspend the certificate under section 54, or if the situation giving rise to the suspension is not rectified.

54. The Minister shall, without prior notice, suspend an authorization certificate if

• (a) new scientific evidence or other new information demonstrates that a precursor set out in Part 1 of Schedule VI to the Act can be readily extracted from the preparation or mixture mentioned in the certificate, having regard to the complexity and cost of extraction, or demonstrates that the preparation or mixture may be or has been used in the production of a controlled substance;

• (b) the Minister has reasonable grounds to believe that the suspension is necessary to protect public health, safety or security; or

• (c) the Minister has reasonable grounds to suspect that the continuation of the certificate presents a risk of a Class A precursor being diverted to an illicit market or use.

55. With respect to a Class B precursor that is a preparation or mixture, a person who conducts an activity mentioned in section 57 is exempt from the requirements of these Regulations, except requirements applying to production for the purpose of sale or provision, if the preparation or mixture contains a precursor set out in Part 2 of Schedule VI to the Act and the contained precursor, either alone or with any other precursor of the same type, does not constitute more than 30% of the preparation or mixture by weight or volume, in the case of a solid or liquid, respectively.