159. Tires shall comply with the following standards:(1) no tire shall be so worn that a wear indicator touches the roadway or that the depth of the tread measured in a main groove or tread design, elsewhere than at the wear indicator, is less than 1.6 mm;
(2) at no point, a tire shall be so worn, cracked, cut or torn as to expose the cord;
(3) no tire shall be abnormally bulged or out of shape and no foreign material that could cause a puncture shall be embedded in the tread or sidewall;
(4) a tire shall not have been re-cut deeper than the original grooves;
(5) at no point the tread or rubber compound of the sidewall shall be separated from the carcass of the tire;
(6) a tire shall not be a size smaller than the minimum size indicated by the vehicle manufacturer; it may however be of a size greater than that indicated by the vehicle manufacturer provided that the tire does not touch any component of the road vehicle in every movement of the suspension;
(7) at tire shall have been repaired in accordance with the standards of its manufacturer;
(8) the air pressure in a tire shall not exceed the pressure written on the sidewall or be less than the value determined by the manufacturer of the vehicle or tire;
(9) no tire valve shall be worn down, damaged, scraped or cut and the exposed portion of each valve shall be of sufficient length to allow for the easy inflation of the tire or taking of tire pressure;
(10) no tire shall bear marks or wording to indicate that it is for restricted use and unsuited for use on public roads; and
(11) unidirectional tires shall be installed according to the tire manufacture’s standards.