That funds appropriated under this heading shall be expended at the minimum rate necessary to make timely payment for defense articles and services: Provided further, That not more than $72,000,000 of the funds appropriated under this heading may be obligated for necessary expenses, including the purchase of passenger motor vehicles for replacement only for use outside of the United States, for the general costs of administering military assistance and sales, except that this limitation may be exceeded only through the regular notification procedures of the Committees on Appropriations: Provided further, That the Secretary of State may use funds made available under this heading pursuant to the previous proviso for the administrative and other operational costs of the Department of State related to military assistance and sales, assistance under section 551 of the Foreign Assistance Act of 1961, and Department of Defense security assistance programs, in addition to funds otherwise available for such purposes: Provided further, That up to $2,000,000 of the funds made available pursuant to the previous proviso may be used for direct hire personnel, except that this limitation may be exceeded by the Secretary of State following consultation with the Committees on Appropriations: Provided further, That of the funds made available under this heading for general costs of administering military assistance and sales, not to exceed $4,000 may be available for entertainment expenses and not to exceed $130,000 may be available for representation expenses: Provided further, That not more than $1,541,392,546 of funds realized pursuant to section 21(e)(1)(A) of the Arms Export Control Act ( 22 U.S.C. 2761(e)(1)(A) ) may be obligated for expenses incurred by the Department of Defense during fiscal year 2024 pursuant to section 43(b) of the Arms Export Control Act ( 22 U.S.C. 2792(b) ), except that this limitation may be exceeded only through the regular notification procedures of the Committees on Appropriations. V