Section 682.708 - Evidence of mailing and receipt dates(a) All mailing dates and receipt dates referred to in this subpart must be substantiated by the original receipts from the U.S. Postal Service.(b) If a lender or third-party servicer refuses to accept a notice mailed under this subpart, the Secretary considers the notice as being received on the date that the lender or servicer refuses to accept the notice.57 FR 60323, Dec. 18, 1992, as amended at 59 FR 22459, Apr. 29, 1994 Authority: 20 U.S.C. 1080 , 1082 , 1085 , 1094