(1) Where an application for registration of a motor vehicle is made under sub-section (1) of section 41 by or on behalf of any diplomatic officer or consular officer, then notwithstanding anything contained in sub-section (3) or sub-section (6) of that section, the registering authority shall:
(2) If any vehicle registered under this section ceases to be the property of any diplomatic officer or consular officer, the certificate of registration issued under this section shall cease to be effective, and the provisions of sections 39 and 40 shall thereupon apply.
(3) The Central Government may make rules regarding the registration of motor vehicles belonging to diplomatic officers and consular officers, including:
(4) For purposes of this section, "diplomatic officer" or "consular officer" means any person recognized as such by the Central Government. If any question arises as to whether a person is or is not such an officer, the decision of the Central Government shall be final.