Salaries and expenses: For expenses necessary to enable the War Food Administration to perform its functions, including those prescribed by Executive Orders 9280, 9322, 9328, and 9334, independently or in cooperation (by transfer of funds or otherwise) with public and private agencies and individuals, including not to exceed $10,000 per annum for an Administrator, other personal services in the District of Columbia and elsewhere in accordance with the provisions of law applicable to the appointment and compensation of persons employed by the Agricultural Adjustment Agency, including not to exceed $50,000 for the temporary employment of persons or organizations by contract or otherwise without regard to the Classification Act of 1923, as amended; printing and binding; the purchase of lawbooks, books of reference, periodicals, and newspapers; the purchase, operation, and maintenance (including two in the District of Columbia) of passenger-carrying vehicles; $25,000,000: Provided, That transfers of funds to other offices or administrative units in the Department with respect to which transfers of funds are otherwise authorized in this Act shall be in addition to, and subject to the same restrictions as, the amounts provided therefor in the Budget schedules.