7 U.S.C. § 7753 — Reimbursable agreements

(a) Authority to enter^* into agreements The Secretary^* may enter into reimbursable fee agreements with persons for preclearance of plants, plant^* products, biological control organisms, and articles at locations outside the United States for movement^* into the United States.
(b) Funds collected for preclearance Funds collected for preclearance must be credited to accounts which can be established by the Secretary for this purpose and must remain available until expended for the preclearance activities without fiscal year limitation.
(c) Payment of employees (1) Generally Despite any other law, the Secretary may pay employees of the Department of Agriculture performing services relating to imports into and exports from the United States, for all overtime, night, or holiday work performed by them, at rates of pay established by the Secretary. (2) Reimbursement of the Secretary (A) Generally The Secretary may require persons for whom the services are performed to reimburse the Secretary for any sums of money paid by the Secretary for the services. (B) Use of funds All funds collected under this paragraph must be credited to the account that incurs the costs and must remain available until expended without fiscal year limitation.
(d) Late payment penalties (1) Collection Upon failure to reimburse the Secretary in accordance with this section, the Secretary may assess a late payment penalty, and the overdue funds must accrue interest, as required by section 3717 of title 31. (2) Use of funds Any late payment penalty and any accrued interest must be credited to the account that incurs the costs and must remain available until expended without fiscal year limitation.