Home > About USPS & News > Forms & Publications > Postal Periodicals and Publications > Publications > Publication 401 - Guide to Manifest Mailing System > 7 Extra Services > 7-7 Format of PS Form 3877 Facsimile
7-7.1 Below are the requirements for the format of a PS Form 3877 facsimile. See Exhibit 30C for sample format of a PS Form 3877 facsimile.