DMM TOC > 100 Retail Letters, Cards, Flats, and Parcels > 120 Priority Mail|
125 Mail Preparation
1.1 Priority Mail Packaging Provided by the USPS
Priority Mail packaging provided by the USPS must be used only for Priority Mail. Regardless of how the packaging is reconfigured or how markings may be obliterated, any matter mailed in USPS-produced Priority Mail packaging is charged the appropriate Priority Mail price.
1.2 Required Use
The marking “Priority Mail” must be placed prominently on the address side of each piece of Priority Mail.