41 CFR § 301-71.308
What should we do if the employee does not pay back a travel advance when the travel claim is filed?
June 9, 2020
You should take alternative steps to collect the debt including:
(a) Offset against the employee's salary, a retirement credit, or other amount owed the employee;
(b) Deduction from an amount the Government owes the employee; or
(c) Any other legal method of recovery.
[FTR Amdt. 70, 63 FR 15974, Apr. 1, 1998. Redesignated by FTR Amdt. 108, 67 FR 57967, Sept. 13, 2002]