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04/01/2022
Promotions Portal - Submitting a Mailpiece for Review
As a participant in the Mailing Promotions, you must submit your mailpiece samples to the Promotions Team to confirm their eligibility. Learn how to utilize the new Mailing Promotions Portal to easily submit your samples for review in the video below.
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03/29/2022
USPS Package Intercept® Bulk Upload User Guide
You can use the United States Postal Service’s (USPS’s) Package Intercept Commercial Service application to intercept a package through the Business Customer Gateway at USPS.com. Using this application will give you the option to return to sender, redirect to a new domestic address, or Hold for Pickup at a domestic Post Office. You can also add certain extra services to the package.
This publication is a user’s guide for the USPS Package Intercept Commercial Service application’s Bulk File Upload feature. -
04/07/2022
Balance Check in the Customer Validation Tool Instructions
When given explicit permission by permit holders to do so, MSPs have the ability to perform balance checks for EPS and Local Trust accounts at the permit level. The MSP will not be granted access to the permit holder's account, but will only be able to verify if sufficient funds are available prior to a mailing.
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11/22/2023
DSF2® Licensee Performance Requirements - CASS Cycle O
To achieve DSF2® certification, the Licensee must comply with all requirements and specifications contained within the License Agreement, the most current version of this document, and the most current version of the Interface Developers Guide unless explicitly allowed, prohibited, or modified by USPS in writing.
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01/11/2022
DPV® Product Licensee Performance Requirements - CASS Cycle O
This document provides product licensee performance requirements for DPV®.
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07/31/2025
Mailing and Shipping Solutions Center (MSSC) Topics
List of topics the MSSC can assist with. To reach the MSSC, email us at MSSC@usps.gov or call 1-877-672-0007 from 7:00AM – 7:00PM CT.