Mailing Standards of the United States Postal Service Domestic Mail Manual > 200 Commercial Letters, Flats, and ParcelsDesignStandards > 280Commercial MailFirst-Class Package Service —Commercial > 284Postage Payment and Documentation
1.0 Basic Standards for Postage Payment
2.0 Postage Payment for First-Class Package Service — Commercial
3.0 Mailing Documentation
Postage for First-Class Package Service — Commercial parcels must be paid with 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 Business Mailer Support (see 608.8.0 for address).
All First-Class Package Service — 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 Business Mailer Support.
Each First-Class Package Service — Commercial parcel bearing postage evidencing system indicia (IBI Meter or PC Postage) must bear the full numerical value of postage at the First-Class Package Service — Commercial price for which it qualifies.
See 203.1.0 and 203.2.0 for postage statement and documentation standards.