Document ID: chunk:federal_register_of_legislation:F2018L01517:reg:30:p2
Version: federal_register_of_legislation:F2018L01517
Segment Type: reg
Provision Reference: reg 30 (pt 2/12)
Character Range: 19968–22673

the provisions of paragraph 6.2.5. are applied;
2.33. "Void to fill ratio" means the ratio between the area of voids in a reference surface and the area of this reference surface calculated from the mould drawing;
2.34. "Tyre Class" means one of the following groupings:
2.34.1. Class C2 tyres: Tyres identified by a load capacity index in single formation lower or equal to 121 and a speed category symbol higher or equal to "N";
2.34.2. Class C3 tyres: Tyres identified by:
                  (a) A load capacity index in single formation higher or equal to 122; or
                  (b) A load capacity index in single formation lower or equal to 121 and a speed category symbol lower or equal to "M".
3. Markings
3.1. Tyres submitted for approval shall bear on both side walls in the case of symmetrical tyres and at least on the outer side wall in the case of asymmetrical tyres:
3.1.1. The manufacturer's name or the Brand name/trademark;
3.1.2. The trade description/commercial name (see paragraph 2.4. of this Regulation). However, the trade description is not required when it coincides with the Brand name/trademark.
3.1.3. The tyre-size designation as defined in paragraph 2.20. of this Regulation;
3.1.4. An indication of the structure as follows:
3.1.4.1. On diagonal (bias-ply) tyres: no indication, or the letter "D";
3.1.4.2. On radial-ply tyres: the letter "R" placed in front of the rim-diameter marking and, optionally, the word "RADIAL";
3.1.5. The speed-category symbol (or symbols);
3.1.5.1. An indication of the tyre's nominal speed category in the form of the symbol prescribed in paragraph 2.31.2. above;
3.1.5.2. An indication of a second speed category in cases where paragraph 6.2.5. below is applied;
3.1.6. The inscription M+S or M.S or M&S if the tyre is classified in the category of use "snow tyre" or if the tyre is classified in the category of use "special use tyre" when declared by the tyre manufacturer at paragraph 4.1.3. as complying also with the definition given in paragraph 2.5.2.
3.1.7. The load-capacity indices as defined in paragraph 2.30. of this Regulation;
3.1.8. The word "TUBELESS" if the tyre is designed for use without an inner tube;
3.1.9. The date of manufacture in the form of a group of four digits, the first two showing the week and the last two the year of manufacture.  However, this marking, which it is permissible to restrict to one sidewall, shall not be mandatory, on any tyre submitted for approval, until two years after the date of entry into force of this Regulation[5];
3.1.10. In the case of tyres which can be re-grooved, the symbol
"  "
at least 20 mm in diameter, or the word "REGROOVABLE", moulded into or on to each sidewall;