Enterprise Payment System (EPS) FAQs

The Enterprise Payment System or EPS allows customers to pay for products and services through an Enterprise Payment Account (EPA) funded as an Automated Clearing House (ACH) Debit or Trust Account. The EPS payment account management provides enhanced security features, centralized balance and account management, and a self-service customer experience.

PTR Domestic Scan Events and Descriptions

Address Element Correction (AEC) FAQ

FAQ page for AEC product, including what it is, how it works, turnaround times, and costs.

July 2024 Market Dominant Price Change Filing Webinar Q&A updated May 29, 2024

Counterfeit & Fraud Prevention FAQs

This document details FAQs concerning the Manifest File Verification process initiated on August 1.  USPS wants you to be as current on the new changes as possible so we will be updating this document periodically.

Last Updated:  10/31/2024

Computerized Delivery Sequence (CDS) FAQs

This document provides frequently asked questions (FAQs) and answers for the CDS product.

Electronic Address Sequencing (EAS) FAQs

This document provides frequently asked questions (FAQs) and answers for EAS.

Address Element Correction II (AEC II) FAQ

FAQ page for AEC II product, including what it is, how it works, and costs.

January 2024 Release - FAQ

Marriage Mail Incentive FAQs

Marriage Mail is a form of direct mail in which marketing service companies combine or “marry” advertisements (e.g., coupons or sales notices) from multiple companies into one mail piece to reduce the cost of the mailing for individual advertisers. This type of direct mailing product allows businesses to reach targeted customer segments.