2600.3 Timeframes
Restore underpaid benefits for not more than 12-months before the date: the household requests the underpayment be restored, including requesting a Fair Hearing , the underpayment is discovered, or the agency is notified of the underpayment, including fair hearing decisions reversing agency actions.
Exception : A federal regulation or court case may specify a longer restoration period.
Note : If more than one occurs at the same time restore benefits from the date that occurred first.