5 U.S. Code § 8321
5 U.S. Code § 8321 is about Liability of accountable employees. It is under Subchapter II (Forfeiture Of Annuities And Retired Pay) of Chapter 83 (Retirement) of Subpart G (Insurance And Annuities) of Part III (Employees) of Title 5 (Government Organizations and Employees) of the Code.
An accountable employee may not be held responsible for a payment made in violation of this subchapter when the payment made is in due course and without fraud, collusion, or gross negligence.