# Thumb 1 Thumb 2 Form Number Division Title Where Used EKU LKU Notes Revision Actions
161 1515 1/2 Return of Unmailable Matter
162 1516 Inquiry (originally for registered, COD and insured added) to trace missing Registered, Insured, COD; refers to form 1510 1916 Agath 1939 DLS 5-268
163 1517 Postmaster reply to lost letter inquiry
164 1518 Inquiry Section reply to customer for lost mail; early a circular, later a postal card 189- ASW 1947 DLS replaces in part 3969
165 1519 Affadavit in reference to lost letter
166 1520 Reply to Request to Forward Letters "you are informed that there is no mail at the office addressed to you"
167 1521 Application to 1st/3rd Assist. PMG for Dead Letter For lost letter or parcel c189- ASW
168 1522 List of unmailable letters - daily
169 1522 Form sent with Fictitious and really all DLO matter to DLO AKA unmailable bill
170 1522½ List of Unmailable Letters sent weekly to DLO 189_ DLS cited on Form A, 1900