12 C.F.R. § 313.53 Non-waiver of rights by payments.
Title 12 - Banks and Banking
A debtor's payment, whether voluntary or involuntary, of all or any portion of a debt being collected pursuant to this section shall not be construed as a waiver of any rights that the debtor may have under any statute, regulation, or contract except as otherwise provided by law or contract.
Title 12: Banks and Banking
PART 313—PROCEDURES FOR CORPORATE DEBT COLLECTION
Subpart C—Salary Offset
§ 313.53 Non-waiver of rights by payments.