; (2) Environmental Restoration, Navy ; (3) Environmental Restoration, Air Force ; (4) Environmental Restoration, Defense-Wide ; (5) Environmental Restoration, Formerly Used Defense Sites ; and (6) Drug Interdiction and Counter-drug Activities, Defense . (TRANSFER OF FUNDS) 8008. During the current fiscal year, cash balances in working capital funds of the Department of Defense established pursuant to section 2208 of title 10, United States Code, may be maintained in only such amounts as are necessary at any time for cash disbursements to be made from such funds: Provided , That transfers may be made between such funds: Provided further , That transfers may be made between working capital funds and the Foreign Currency Fluctuations, Defense appropriation and the Operation and Maintenance appropriation accounts in such amounts as may be determined by the Secretary of Defense, with the approval of the Office of Management and Budget, except that such transfers may not be made unless the Secretary of Defense has notified the Congress of the proposed transfer: Provided further , That except in amounts equal to the amounts appropriated to working capital funds in this Act, no obligations may be made against a working capital fund to procure or increase the value of war reserve material inventory, unless the Secretary of Defense has notified the Congress prior to any such obligation. 8009. Funds appropriated by this Act may not be used to initiate a special access program without prior notification 30 calendar days in advance to the congressional defense committees. 8010. None of the funds provided in this Act shall be available to initiate: (1) a multiyear contract that employs economic order quantity procurement in excess of $20,000,000 in any one year of the contract or that includes an unfunded contingent liability in excess of $20,000,000