Pub. L. 83-437, tit. V, sec. 501

Sec. 501. Within the unit limit of cost fixed by law, the lump-sum appropriations and authorizations made for the Department under this Act shall be available for the purchase, in addition to those specifically provided for, of not to exceed 575 passenger motor vehicles for replacement only, and for the hire of such vehicles, necessary in the conduct of the work of the Department outside the District of Columbia.