; and defense working capital funds to accomplish the purpose provided herein: Provided further , That this transfer authority is in addition to any other transfer authority available to the Department of Defense: Provided further , That the Secretary of Defense shall, not fewer than 5 days prior to making transfers from this appropriation, notify the congressional defense committees in writing of the details of any such transfer: Provided further , That such amount is designated by the Congress for Overseas Contingency Operations/Global War on Terrorism pursuant to section 251(b)(2)(A)(ii) of the Balanced Budget and Emergency Deficit Control Act of 1985. Office of the Inspector General For an additional amount for the Office of the Inspector General , $24,692,000: Provided , That such amount is designated by the Congress for Overseas Contingency Operations/Global War on Terrorism pursuant to section 251(b)(2)(A)(ii) of the Balanced Budget and Emergency Deficit Control Act of 1985. GENERAL PROVISIONS—THIS TITLE 9001. Notwithstanding any other provision of law, funds made available in this title are in addition to amounts appropriated or otherwise made available for the Department of Defense for fiscal year 2018. (including transfer of funds) 9002. Upon the determination of the Secretary of Defense that such action is necessary in the national interest, the Secretary may, with the approval of the Office of Management and Budget, transfer up to $2,500,000,000 between the appropriations or funds made available to the Department of Defense in this title: Provided , That the Secretary shall notify the Congress promptly of each transfer made pursuant to the authority in this section: Provided further , That the authority provided in this section is in addition to any other transfer authority available to the Department of Defense and is subject to the same terms and conditions as the authority provided in section 8005 of this Act. 9003. Supervision and administration costs and costs for design during construction