Guide to the Manifest Mailing System (Updated Publication 401)
This publication provides information on the Manifest Mailing System, which automates the documentation of postage and fees for all pieces in a mailing paid via permit [...]
Guide to Manifest Mailing
USPS Manifest Mailing Guide Released
The Postal Service has released an updated Pub 401 Guide To The Manifest Mailing System. Manifest mailing is an automated system that allows a mailer to document postage and [...]