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

10. (1) Every tire referred to in section 6 shall have permanently and legibly moulded into or onto

• (a) both sidewalls of the tire, in letters and numerals not less than 2 mm (0.078 in.) in height and raised above or sunk below the tire surface not less than 0.38 mm (0.015 in.), unless the tire is a tire referred to in paragraph (b) or (c),

  • (i) the tire size designation as listed in a tire and rim document,

  • (ii) the following words and numerals to indicate the maximum load rating and corresponding tire inflation pressure, namely,

    • (A) if the tire is rated for both single and dual load, “Max. load single kg at kPa cold, Max. load dual kg at kPa cold”, or

    • (B) if the tire is rated for single load only, “Max. load kg at kPa cold”,

  • (iii) if the tire is restricted to a speed of 88.5 km/h (55 m.p.h.) or less, the words and numerals “Max. speed km/h”,

  • (iv) the actual number of plies and the composition of the cord material in the sidewalls and the actual number of plies and the composition of the cord material in the tread area, if different,

  • (v) the word “tubeless” or the expression “tube type”, whichever is applicable to the tire type,

  • (vi) the word “regroovable” if the tire is designed for regrooving,

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

  • (viii) the letter that designates the tire load range;

• (b) at least one sidewall of a motorcycle tire, in letters and numerals not less than 2 mm (0.078 in.) in height and raised above or sunk below the tire surface not less than 0.25 mm (0.01 in.), the information specified in paragraph (a); and

• (c) at least one sidewall of a recreational trailer tire, boat trailer tire, baggage trailer tire and special trailer tire, in letters and numerals not less than 2 mm (0.078 in.) in height and raised above or sunk below the tire surface not less than 0.38 mm (0.015 in.), the information specified in paragraph (a).

(2) The information required by subsection (1) shall

• (a) where required to be moulded onto or into both sidewalls of the tire, be moulded onto or into at least one sidewall between the maximum section width and the bead of that sidewall;

• (b) where the maximum section width of the sidewalls of the tire is located within the lower quarter of the sidewalls, be moulded onto or into the lower half of a sidewall; and

• (c) where paragraph (1)(b) or (c) applies to the tire, be moulded anywhere onto or into a sidewall.

(3) The information required by subparagraphs (1)(a)(i) to (iii) may be specified in Imperial units or Imperial and metric units.