25 CFR § 513.20
What debts can the Commission refer to Treasury for collection by administrative and tax refund offset?
February 24, 2021
(a) The Commission may refer any past due, legally enforceable nonjudgment debt of a person to the Treasury for administrative and tax refund offset if the debt:
(1) Has been delinquent for at least three months and will not have been delinquent more than 10 years at the time the offset is made;
(2) Is at least $25.00 or another amount established by Treasury.
(b) Debts reduced to judgment may be referred to Treasury for tax refund offset at any time.