48 C.F.R. § 12.215
12.215 Notification of overpayment.
If the contractor notifies the contracting officer of a duplicate payment or that the Government has otherwise overpaid, the contracting officer shall follow the procedures at 32.604.
If the contractor notifies the contracting officer of a duplicate payment or that the Government has otherwise overpaid, the contracting officer shall follow the procedures at 32.604.