39 U.S.C. § 2605 : Postal Service — Debts And Collection — Modernization And Fiscal Administration — Suits To Recover Wrongful Or Fraudulent Payments

The Postal Service shall request the Attorney General to bring a suit to recover with interest any payment made from moneys of, or credit granted by, the Postal Service as a result of—

(1) mistake;

(2) fraudulent representations;

(3) collusion; or

(4) misconduct of an officer or employee of the Postal Service.

(Pub. L. 91–375, Aug. 12, 1970, 84 Stat. 745.)