If, within 60 days of the date of the notice described in § 416.581 of this subpart, the overpaid individual notifies us that he or she is exercising a right described in § 416.582(a) of this subpart and submits evidence pursuant to § 416.582(b) of this subpart or requests a waiver under § 416.550 of this subpart, we will suspend any notice to the Department of the Treasury until we have issued written findings that affirm that an overpayment is past due and legally enforceable and, if applicable, make a determination that a waiver request cannot be granted.