§  1.1932   Refunds.

   (a) Refunds shall promptly be made when--(1) A debt is waived or
   otherwise found not owing to the United States (unless expressly
   prohibited by statute or regulation); or

   (2) The employee's paying agency is directed by an administrative or
   judicial order to refund amounts deducted from his or her current pay.

   (b) Refunds do not bear interest unless required or permitted by law or
   contract.