New obligational authority provided for the following appropriation items in this Act shall remain available until expended: Animal and Plant Health Inspection Service, the contingency fund to meet emergency conditions, fruit fly program, integrated systems acquisition project, boll weevil program, up to 25 percent of the screwworm program, and up to $2,000,000 for costs associated with colocating regional offices; Food Safety and Inspection Service, field automation and information management project; funds appropriated for rental payments; Cooperative State Research, Education, and Extension Service, funds for competitive research grants (7 U.S.C. 450i(b)), funds for the Research, Education and Economics Information System (REEIS), and funds for the Native American Institutions Endowment Fund; Farm Service Agency, salaries and expenses funds made available to county committees; Foreign Agricultural Service, middle-income country training program and up to $2,000,000 of the Foreign Agricultural Service appropriation solely for the purpose of offsetting fluctuations in international currency exchange rates, subject to documentation by the Foreign Agricultural Service