31 C.F.R. § 29.519 – Referral to a collection agency.

(a) The Department retains the responsibility for resolving disputes, compromising debts, referring overpayment debts for litigation, and suspending or terminating collection action.
(b) The Department may not refer overpayment debts to commercial collection agencies until all procedures required by or requested under §§ 29.511 through 29.514 have been completed.