41 CFR § 304-9.5
What if the employee is compensated by a donor and by us for the same expenses?
June 9, 2020
If you reimburse an employee for expenses that are also paid by a donor, you must establish and carry out policy in accordance with 5 U.S.C. 5514 and the Federal Claims Collection Standards (31 CFR parts 900-904) to recover any excess amount paid to the employee.