; and (C) except as provided in subsection (c), proceeds received from the lease, transfer, or disposal of any property at a military installation that is consolidated, closed, or realigned under this Act. (3) The Account shall be closed at the time and in the manner provided for appropriation accounts under section 1555 of title 31, United States Code. Unobligated funds which remain in the Account upon the closure shall be held by the Secretary of the Treasury until transferred by law after the congressional defense committees receive the final report transmitted under section 14(a)(3). (b) Use of Funds (1) In such amounts as may be provided in advance in appropriation Acts, the Secretary may use the Account only for the purposes described in section 12 with respect to military installations approved for consolidation, closure, or realignment under this Act. (2) When a decision is made to use funds in the Account to carry out a military construction project under section 11(b)(1) and the cost of the project will exceed the maximum amount authorized by law for a minor military construction project, the Secretary shall notify, in writing, the congressional defense committees of the nature of, and justification for, the project and the amount of expenditures for such project. Any such project may be carried out without regard to section 2802(a) of title 10, United States Code. (c) Authorized cost variations (1) Maximum increase Subject to paragraph (2), the total cost authorized for a closure or realignment action to be carried out using funds in the Account may not be increased by more than 25 percent of the amount specified for such closure or realignment action in the report transmitted by the Commission to the President pursuant to section 9(d). (2) Exception The limitation on cost variations in paragraph (1) shall not apply if— (A) the Secretary of Defense notifies the congressional defense committees, in writing, of the cost increase and the reason therefor and certifies that the increased cost is necessary