04/13/2026
03/04/2026
Manifest Mailing System Exception Request Form
Effective April 1, 2026 - The Postal Service is retiring Publication 401 Manifest Mailing System (MMS) used for mail sortation and preparation with hard copy forms and documentation. Affected customers must migrate to Electronic Documentation (eDoc), Full Service, Seamless, and eInduction, for Letters, Cards, and Flats April 1st,, 2026.
Mailers who require a onetime exception to continue using the Manifest Mailing System—due to an inability to meet the deadline to migrate to Full Service, Seamless, or USPS Ship, may do so by submitting their request to their local Manager Business Mail Entry.
12/16/2025
12/16/2025
10/02/2025
10/02/2025
10/27/2025
Request Letter Template to Change EPS BSA in the BCG
Form to change the Enterprise Payment System (EPS) business services administrator (BSA) in the Enterprise Payment System (EPS).
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04/11/2025
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12/13/2024
Customer Outage Questionnaire
Use this document to report an outage or system errors. Please send to PackageFraudPrevention@usps.gov and denote the e-mail as high importance.
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08/28/2024
Customer Appeal Letter Template
This letter template should be used by customers appealing a local ruling.
The customer completes the letter and submits it locally where the initial ruling they are appealing was made. The template includes a checklist for the customer to ensure that appropriate supporting documentation is provided along with the appeal letter.
For additional information regarding rulings on mailing standards and appeals of those rulings go to DMM 607.2.0.