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 > 285 Mail Preparation
Overview
1.0 Preparation for USPS Ground Advantage — Commercial
2.0 Preparation of Permit Imprint Mailings
3.0 Preparing a Cubic Mailing
The following standards apply to single-piece USPS Ground Advantage — Commercial:
To use a permit imprint, the pieces must be of identical weight and, unless all the pieces are in a weight category for which the price does not vary by zone, the pieces must be separated by zone when presented to the Post Office, except under 2.2.
A permit imprint may be used for mailings of nonidentical-weight pieces only if authorized by Business Acceptance Solutions at USPS Headquarters.
Cubic mailpieces for multiple price tiers may be combined in the same container.