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  DMM TOC > 100 Retail Letters, Cards, Flats, and Parcels > 120 Priority Mail

124 Postage Payment Methods

1.0 Basic Standards for Postage Payment

1.1 Payment Method

[1-17-16] Priority Mail postage may be paid with postage stamps (see 604.1.0), with meter stamps (see 604.4.0) affixed to each piece, or with USPS Click-N-Ship.

1.2 Forever Prepaid Flat Rate Packaging

Priority Mail Forever Prepaid Flat Rate packaging must be purchased by credit card online at and bears a shipping label with affixed Forever Prepaid postage. Mailers adding extra services must take packages to a retail Post Office location for payment of the associated fees for each extra service added. USPS Tracking (electronic option) is included at no additional cost.