45 CFR § 2506.8
What action might the Corporation take to collect debts?
April 14, 2021
(a) There are a number of actions that the Corporation is permitted to take when attempting to collect debts. These actions include:
(1) Salary, tax refund or administrative offset, or administrative wage garnishment (see subparts C, D, E, and F of this part respectively); or
(2) Using the services of private collection contractors.
(b) In certain instances, usually after collection efforts have proven unsuccessful, the Corporation transfers debts to the Treasury for collection or refers them to the DOJ for litigation (see §§2506.10 and 2506.11).