(1) Every application for a permit shall be made to the Regional Transport Authority of the region in which it is proposed to use the vehicle or vehicles:
     Provided that if it is proposed to use the vehicle or vehicles in two or more regions lying within the same State, the application shall be made to the Regional Transport Authority of the region in which the major portion of the proposed route or area lies, and in case the portion of the proposed route or area in each of the regions is approximately equal, to the Regional Transport Authority of the region in which it is proposed to keep the vehicle or vehicles:
     Provided further that if it is proposed to use the vehicle or vehicles in two or more regions lying in different States, the application shall be made to the Regional Transport Authority of the region in which the applicant resides or has his principal place of business.
     (2) Notwithstanding anything contained in sub-section (1), the State Government may, by notification in the Official Gazette, direct that in the case of any vehicle or vehicles proposed to be used in two or more regions lying in different States, the application under that sub-section shall be made to the State Transport Authority of the region in which the applicant resides or has his principal place of business.