29 C.F.R. § 1450.25 Non-waiver of rights by payments.
Title 29 - Labor
An employee's involuntary payment of all or any portion of a debt being collected under 5 U.S.C. 5514 shall not be construed as a waiver of any rights which the employee may have under 5 U.S.C. 5514 or any other provision of contract or law, unless statutory or contractual provisions provide to the contrary.
Title 29: Labor
PART 1450—COLLECTIONS OF CLAIMS OWED THE UNITED STATES
Subpart C—Salary Offset
§ 1450.25 Non-waiver of rights by payments.