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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 30, 2025
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Title 5
Chapter VI
Part 1639
Subpart A - Subpart A—Administrative Collection, Compromise, Termination, and Referral of Claims
§ 1639.1 - Authority.
§ 1639.2 - Application of other regulations; scope.
§ 1639.3 - Application to other statutes.
§ 1639.4 - Definitions.
§ 1639.5 - Use of credit reporting agencies.
§ 1639.6 - Contracting for collection services.
§ 1639.7 - Initial notice to debtor.
§ 1639.8 - Interest, penalty, and administrative costs.
§ 1639.9 - Charges pending waiver or review.
§ 1639.10 - Referrals to the Department of Justice.
§ 1639.11 - Cross-servicing agreement with the Department of the Treasury.
§ 1639.12 - Deposit of funds collected.
§ 1639.13 - Antialienation of funds in Thrift Savings Plan participant accounts.
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