Section 10
SEC. 10. Notwithstanding the provision of section five hundred sixty-one of the Administrative Code, no officer or employee of the Government, except those employed under Act No. 3431 and those officers of the Federal Government assigned for service in the Office of the Governor-General, shall receive any allowance directly or indirectly for the use of his own automobile on official business unless such officer or employee is specifically authorized in this Act to receive such allowance.