1. The identification marks shall comprise:

(a) In the case of a motor vehicle:

(i) The name or the trade mark of the maker of the vehicle,
(ii) On the chassis or, in the absence of a chassis, on the body, the maker’s identification or serial number,
(iii) On the engine, the maker's engine number if such a number is placed thereon by the maker;

(b) In the case of a trailer, either the information referred to in (i) and (ii) above or an identification mark issued for the trailer by the competent authority.

2. The narks mentioned above shall be placed in accessible positions and shall be in a form easily legible and not capable of being easily removed or altered.

 Convention of Road Traffic signed at Geneva September, 19 1949 (English)