Mailing Standards of the United States Postal Service Domestic Mail Manual > 200 Commercial Letters, Cards, Flats, and Parcels > 280 Commercial Mail USPS Ground Advantage —Commercial > 284 Postage Payment and Documentation
1.0 Basic Standards for Postage Payment
2.0 Postage Payment for USPS Ground Advantage — Commercial
3.0 Mailing Documentation
Postage for USPS Ground Advantage — Commercial parcels must be paid with USPS Click-N-Ship, postage evidencing system postage, or permit imprint, as specified below. All pieces in a mailing must be paid with the same method unless otherwise authorized by the director, Business Acceptance Solutions (see 608.8.0 for address).
All USPS Ground Advantage — Commercial parcels may bear permit imprint postage under 604.5.0. All mail manifested using the Electronic Verification System (eVS) under 705.2.9 must be paid using a permit imprint. A permit imprint may be used for mailings of nonidentical-weight pieces only if authorized by the director, Business Acceptance Solutions.
Each USPS Retail Ground — Commercial parcel bearing postage evidencing system indicia (IBI Meter or PC Postage) must bear the full numerical value of postage at the USPS Retail Ground — Commercial price for which it qualifies.
See 203.1.0 and 203.2.0 for postage statement and documentation standards.