# Thumb 1 Thumb 2 Form Number Division Title Where Used EKU LKU Notes Revision Actions
401 3540 Notice to Sender of Undelivered Mail Notice to Sender of Undeliverable 2nd or 3rd Class Mail Being Held pending receipt of Postage to cover the Return 1899 DLS 1935 DLS U.S. Domestic Postal Rates, p222. Lined border around edge of card, used 1913. c1913
402 3540 A Notice to Sender of Undelivered Parcel pink card used with 4th class matter 1926 DLS
403 3540-A Notice to Sender of Mail Held for Postage buff colored card (3¢ 1st class era)
404 3541 2nd-class form - % of advertising and non-advertising in 2nd-class matter
405 3542 2nd-class form - % of advertising and non-advertising in 2nd-class matter
406 3544 Receipt for Money 9/6/1968
407 3546 Notice to Sender of Forwarding Address 2¢ address correction fee photocopy given to me that only shows front of card. dls
408 3546 Notice of undeliverable forwarded mail 1955 ASW Unused example. June 1954
409 3546 Forwarding order change notice change of address form July 1972 ASW 2005 DLS unused 1988 & 1996
410 3547 Returning Second, Third, and Fourth Class Matter Notice to mailer that undeliverable mail of 2nd, 3rd, and 4th classes can not be returned without payment of postage - NO address correction given 1898 DLS Act of Congress June 13, 1898