(15) (a) The Central Government may make rules for carrying out the provisions of sub- section (11).
(b) In particular, and without prejudice to the generality of the foregoing power, such rules may provide for all or any of the follow- ing matters, namely-.-
(i) the authorisation fee payable for the issue of a national permit;
(ii) the fixation of the laden weight of the motor vehicle;
(iii) the distinguishing particulars or marks to be carried or exhibited in or on the motor vehicle;
(iv) the colour or colours in which the motor vehicle is to be painted;
(v) any matter, not specified in this Act, which shall be borne in mind by the appropriate authority in granting a na- tional permit. Explanation'- In this sub- section" authorisation fee" means the annual fee, not exceeding seven hundred rupees, which may be charged by the appropriate authority of a State to enable a motor vehicle, covered by the national permit, to be used in other States.]