; to cover common overhead expenses as permitted by section 11 of the Commodity Credit Corporation Charter Act and in conformity with the Federal Credit Reform Act of 1990, of which $6,382,000 shall be transferred to and merged with the appropriation for Foreign Agricultural Service, Salaries and Expenses , and of which $353,000 shall be transferred to and merged with the appropriation for Farm Service Agency, Salaries and Expenses . VI Related agencies and food and drug administration Department of health and human services Food and drug administration Salaries and expenses For necessary expenses of the Food and Drug Administration, including hire and purchase of passenger motor vehicles; for payment of space rental and related costs pursuant to Public Law 92–313 for programs and activities of the Food and Drug Administration that are funded by this Act; for rental of special purpose space in the District of Columbia or elsewhere; in addition to amounts appropriated to the FDA Innovation Account, for carrying out the activities described in section 1002(b)(4) of the 21st Century Cures Act ( Public Law 114–255 ); for miscellaneous and emergency expenses of enforcement activities, authorized and approved by the Secretary and to be accounted for solely on the Secretary's certificate, not to exceed $25,000; and notwithstanding section 521 of Public Law 107–188 ; $5,145,945,000: Provided , That of the amount provided under this heading, $937,434,000 shall be derived from prescription drug user fees authorized by 21 U.S.C. 379h , and shall be credited to this account and remain available until expended; $193,291,000 shall be derived from medical device user fees authorized by 21 U.S.C. 379j , and shall be credited to this account and remain available until expended; $493,600,000 shall be derived from human generic drug user fees authorized by 21 U.S.C. 379j–42 , and shall be credited to this account and remain available until expended