; and (B) in the case of an authorization pursuant to subsection (f)(1)(A), a description of the manner in which the use of critical munitions is necessary to meet national defense requirements. (2) Ammunition purchases No amounts in the Fund may be used to purchase ammunition, as authorized by this section, until the date that is 15 days after the date on which the Secretary of Defense notifies the appropriate committees of Congress in writing of the amount and purpose of the proposed purchase. (3) Foreign transfers No munition purchased using amounts in the Fund may be transferred to a foreign country until the date that is 15 days after the date on which the Secretary of Defense notifies the appropriate committees of Congress in writing of the proposed transfer. (f) Limitations (1) Limitation on transfer No munition acquired by the Secretary of Defense using amounts made available from the Fund pursuant to this section may be transferred to any foreign country unless such transfer is authorized by the Arms Export Control Act ( 22 U.S.C. 2751 et seq. ), the Foreign Assistance Act of 1961 ( 22 U.S.C. 2151 et seq. ), or other applicable law, except as follows: (A) The Secretary of Defense, with the concurrence of the Secretary of State, may authorize the use by the Department of Defense of munitions acquired under this section prior to transfer to a foreign country, if such use is necessary to meet national defense requirements and the Department bears the costs of replacement and transport, maintenance, storage, and other such associated costs of such munitions. (B) Except as required by subparagraph (A), amounts made available to the Fund may be used to pay for storage, maintenance, and other costs related to the storage, preservation, and preparation for transfer of munitions acquired under this section prior to their transfer, and the administrative costs of the Department of Defense incurred in the acquisition of such items, to the extent such costs are not eligible for reimbursement pursuant to section