Mailing Standards of the United States Postal Service Domestic Mail Manual > 100 Retail Mail Letters, Cards, Flats, and Parcels > 150 Retail MailUSPS Retail Ground > 154 Postage Payment Methods
Overview
1.0 Postage Payment Methods for USPS Retail Ground
The mailer is responsible for proper postage payment. Except as provided under 1.2 for military personnel, subject to the corresponding standards, postage for USPS Retail Ground mail may be paid by postage stamps (see 604.1.0) or postage evidencing system indicia (see 604.4.0). Pieces with postage affixed must bear the correct numerical value of postage.
In addition to the payment methods in 1.1, military personnel from APO/FPO/DPO locations may pay postage with USPS Click-N-Ship.