Motor Vehicle Tire Safety Regulations — 6
Tires of a class prescribed by subsection 3 (1) or 4 (1) 6 (1) Every tire of a class prescribed by subsection 3 (1) or 4 (1) must have a tire identification number on one of its sidewalls. Tires of a class prescribed by subsection 5 (1) (2) Every tire of a class prescribed by subsection 5 (1) must have (a) a tire identification number on one of its sidewalls; and (b) a tire identification number or a partial tire identification number on its other sidewall. Manner and location (3) Except in the case referred to in subsection (8), the tire identification number and partial tire identification number must be permanently moulded into or onto the tire (a) in the manner and at the location specified in Figures 2 and 3 of Schedule 1; and (b) at a depth or height of not less than 0.5 mm and not more than 1 mm as measured from the immediate surrounding surface of the tire. Mandatory symbols (4) The tire identification number must consist of the following groups of symbols: (a) two or three 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 size designation of the tire; and (c) four symbols that identify, in the following manner, the tire’s date of manufacture: (i) the first two symbols correspond to the week of manufacture of the tire, with “01” indicating the week that begins on the first Sunday in a year, “02” indicating the week that begins on the second Sunday in the year, and so on until and including the week that begins on the last Sunday in the year, and (ii) the last two symbols are the last two digits of the year in which the week identified in accordance with subparagraph (i) begins. Optional symbols (5) At the manufacturer’s option, to identify the tire type, the tire identification number may also include not more than four symbols that (a) identify the owner of the brand name, if applicable; and (b) form a code identifying the main characteristics of the tire. Laser-etching (6) At the manufacturer’s option, instead of being permanently moulded into or onto the tire, the symbols referred to in paragraph (4)(c) may, not later than 24 hours after the tire is removed from the mould, be permanently laser-etched into it (a) in the manner and at the location specified in Figures 2 and 3 of Schedule 1; and (b) at a depth or height of not less than 0.5 mm and not more than 1 mm as measured from the immediate surrounding surface of the tire. Permitted symbols (7) The tire identification number may consist of any of the following symbols: (a) 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9; and (b) A, B, C, D, E, F, H, J, K, L, M, N, P, R, T, U, V, W, X and Y. Optional symbols — Code of Federal Regulations (8) At the manufacturer’s option, the symbols referred to in subsection (4) and, if applicable, subsection (5) may be replaced by those set out in either option 1 or option 2 of Figure 1 of section 574.5, chapter V, Title 49 of the Code of Federal Regulations of the United States (revised as of October 1, 2015), in the manner and at the location specified in notes 1 to 4 of that figure and in paragraphs (a)(1), (b)(1) to (3), (d)(1), (e)(1) to (3) and (f) of that section. For greater certainty (9) For greater certainty, the requirements of section 574.5, chapter V, Title 49 of the Code of Federal Regulations of the United States referred to in subsection (8) respecting retreaded tires do not apply. SOR/2020-22, s. 28