34 C.F.R. § 30.21
(a) The Secretary may offset a debt if:
(b)
(1) Whether offset is feasible is determined by the Secretary in the exercise of sound discretion on a case-by-case basis, either:
(2) The Secretary considers the following factors in making this determination:
(c) The Secretary may switch advance funded grantees to a reimbursement payment system before initiating an offset.
(Authority: 20 U.S.C. 1221e-3(a)(1) and 1226a-1, 31 U.S.C. 3716(b))