31 CFR § 29.521 - Conditions for waiver and other adjustments.
(b) Waiver. The Department may waive an overpayment from the Retirement Funds (provided there is no indication of fraud, misrepresentation, or lack of good faith on the part of the debtor) under sections 11021(3) or 11251(c)(2)(B) of the Act when it is established by substantial evidence that the individual from whom recovery is to be made -
(1) Is not at fault in causing or contributing to the overpayment, and
(2) Recovery would be against equity and good conscience.
(c) Adjustment in the installment schedule. (1)(i) An overpayment will not be waived because of financial hardship if a reasonable installment schedule can be established for repayment of the debt by adjusting the installment schedule originally established.
(ii) For example, if the Department finds that the original installment schedule - 24 installments at $125 each - causes the debtor financial hardship, but that repayment in 60 installments at $50 each does not, it may adjust the installments and recover the debt in full.
(2) Where it has been determined that an individual is ineligible for a waiver, but the individual has shown that collection action pursuant to the original installment schedule would cause him or her financial hardship, the Department may -
(i) Adjust the installment schedule if the individual shows that it would cause him or her financial hardship to make payments at the rate initially scheduled by the Department; or
(ii) Terminate the collection action under 31 CFR 903.3 if the costs of collecting the debt are anticipated to exceed the amount recoverable.