How to know if a Record is not a Business

This document provides a quick service guide to know if a record is not a business.

How to know if a Record is not a Business

This document provides a quick service guide to know if a record is not a business.

DSF2® Licensees

This document contains a list of DSF2® licensed providers with contact information.

DSF2® Licensees

This document contains a list of DSF2® licensed providers with contact information.

Licensing Fees

This document contains information about licensing fees for USPS® Licensed Products.

Licensing Fees

This document contains information about licensing fees for USPS® Licensed Products.

DSF2® License Agreement

This document provides a license agreement for DSF2®.

DSF2® License Agreement

This document provides a license agreement for DSF2®.

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.

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.

DSF2® Licensees Cycle N: Certified Products Guide - (Expires July 31, 2023)

This document contains the CASS™/MASS™ certified vendors list for DSF2® Licensees for Cycle N.

Electronic Product Fulfillment (EPF) Web Access Request Form (PS 5116)

This form is used to create a Web-based account with the Addressing and Geospatial Technology (AGT) office which will be utilized to retrieve/download files from the Electronic Product Fulfillment (EPF) website.

DSF2® Licensee Performance Requirements

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.

DSF2® Licensee Performance Requirements

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.

Reminder on SHA-256 Conversion

Licensing Announcement: Reminder on SHA-256 Conversion

As a reminder, the USPS has begun the conversion of its licensed products from SHA‐1 to SHA‐256. This conversion is based on an OIG (Office of Inspector General) recommendation to transition USPS Licensed Products to a more secure algorithm to comply with current USPS security policies.

Licensing Announcement: Discontinuation of the DirectDPV Product

As a follow up to the DirectDPV retirement notice sent November 18, 2015, the DirectDPV table has been discontinued and is no longer included in the DPV and DSF2 Products.

Domestic Mail Manual (DMM®) 509: Address Information System Products

Address Management provides services that enable customers to manage thequality of their mailing lists while maximizing the Postal Service's ability to efficiently deliver mail.

February 1, 2008 Licensing Announcements

This is an announcement concerning the centralized email account and the proper use of the term ‘Intelligent Mail®.’

June 15, 2007 Licensing Announcements

DPV®, DSF2®, CASS™ Grading Requirements

This document contains grading requirements for DPV®, DSF2®, and CASS™ products.