7 U.S.C. § 2256: Inspections, analyses, and tests for other Government departments and agencies; reimbursement

The head of any department or independent establishment of the Government requiring inspections, analyses, and tests of food and other products, within the scope of the functions of the Department of Agriculture and which that Department is unable to perform within the limits of its appropriations, may, with the approval of the Secretary, transfer to the Department for direct expenditure such sums as may be necessary for the performance of such work.