Motor Vehicle Tire Safety Regulations, 1995 (SOR/95-148)

Regulations are current to 2013-04-29 and last amended on 2009-02-18. Previous Versions

TIRE IDENTIFICATION

General

  •  (1) Every tire shall have permanently moulded into or onto one of its sidewalls, in the manner and location specified in Schedule III, a tire identification number consisting of the following groups of symbols:

    • (a) two symbols approved by the Minister or by the United States National Highway Traffic Safety Administration that identify the manufacturer of the tire;

    • (b) two symbols that identify the tire size;

    • (c) not more than four symbols that

      • (i) identify the owner of the brand name, if applicable, and

      • (ii) at the manufacturer’s option, form a code for the purpose of identifying the significant characteristics of the tire; and

    • (d) two symbols that identify the week of manufacture of the tire and two symbols that identify the year of manufacture of the tire, as follows:

      • (i) the first two symbols shall identify the week of manufacture of the tire using “01” for the first week of the year, “02” for the second week, and so on,

      • (ii) for the purposes of subparagraph (i), a week begins on Sunday and ends on Saturday, and the final week of the year may include not more than six days of the following year,

      • (iii) the last two symbols shall identify the year of manufacture of the tire and shall consist of the last two digits of the year, and

      • (iv) at the manufacturer’s option, the symbols may, not later than 24 hours after the tire is removed from the mould, be laser-etched into the sidewall rather than permanently moulded into or onto the sidewall.

  • (2) No person shall alter, deface or remove a tire identification number.

  • SOR/2000-114, s. 1;
  • SOR/2008-258, s. 13.

Tires for Passenger Cars

  •  (1) Every tire referred to in section 5 shall have permanently and legibly moulded into or onto

    • (a) both sidewalls of the tire, in letters and numerals not less than 2.0 mm (0.078 in.) in height,

      • (i) the tire size designation, expressed in metric units or Imperial units or both,

      • (ii) the maximum permissible inflation pressure, expressed in kilopascals or pounds per square inch or both,

      • (iii) the maximum load rating, expressed in kilograms or pounds or both,

      • (iv) the generic name of the material used in the cord of the sidewall and tread,

      • (v) the actual number of plies in the sidewall and, if different, the actual number of plies in the tread,

      • (vi) a word or expression indicating that the tire contains a tube or does not contain a tube, as the case may be, and

      • (vii) the word “radial” if the tire is a radial ply tire; and

    • (b) at least one sidewall of the tire,

      • (i) the name of the tire manufacturer, or

      • (ii) the brand name of the tire and the symbols that identify the tire manufacturer.

  • (2) In addition to the information set out in subsection (1), every tire that has a maximum permissible inflation pressure of 415 kPa (60 p.s.i.) shall have permanently and legibly moulded into or onto both sidewalls of the tire, in letters and numerals not less than 12 mm (0.5 in.) in height, words expressing a maximum permissible inflation pressure in kilopascals or in pounds per square inch, or both, between shoulder and bead of the tire in such a manner that the words are not obstructed by the rim flange.