31 C.F.R. § 901.3
(a) Scope.
(2) This section does not apply to:
(b) Mandatory centralized administrative offset.
(4)
(ii) Such regulations shall provide that offsets may be initiated only after the debtor:
(B) The debtor has been given:
(1) The opportunity to inspect and copy agency records related to the debt;
(2) The opportunity for a review within the agency of the determination of indebtedness; and
(3) The opportunity to make a written agreement to repay the debt.
(iii) Agency regulations may provide for the omission of the procedures set forth in paragraph (a)(4)(ii) of this section when:
(5) Agencies referring delinquent debts to the Secretary must certify, in a form acceptable to the Secretary, that:
(c) Non-centralized administrative offset.
(2) Before requesting a payment authorizing agency to conduct a non-centralized administrative offset, agencies must adopt regulations providing that such offsets may occur only after:
(e) Review requirements.