User Guides
03/25/2024
Enterprise Payment System Terms and Conditions

This Terms and Conditions of Use Agreement (this "Agreement") is a legal agreement between you ("You" or "Your" or "User" or "Mailer") and the United States Postal Service, an Independent Establishment of the Executive Branch of the United States Federal Government ("USPS" or "Postal Service"). The Agreement sets forth the terms and conditions for Your use of the USPS Enterprise Payment System. User acknowledges and agrees that he, she or the entity User has accepted the Agreement on behalf of is solely responsible for and shall abide by these Terms and Conditions of Use as well as all policies, procedures and regulations of the United States Postal Service.

User Guides
03/20/2024
Informed Delivery Create Campaign Use Case for Mailers

This user guide provides a summary of use cases for Informed Delivery interactive campaigns through the Mail.dat file format via PostalOne!® Electronic Documentation (eDocs).

User Guides
03/07/2024
KIT 600–the 2024 Official Election Mail Program Kit

Provides the tools necessary to use the US Mail as a secure, efficient, and effective way to facilitate the election process.

User Guides
02/26/2024
Enterprise Post Office Box Online (ePOBOL) User Guide February 2024

The U.S. Postal Service is upgrading its payment architecture for enterprise and business customers. The new Enterprise Payment System (EPS) will replace the current product-centric payment with a centralized account management system enabling customers to pay and manage their services online using a single account. With the current implementation of EPS, business customers will be able to manage their PO Boxes, Caller Services and Reserves online using the new Enterprise PO Boxes Online (ePOBOL) service.

·         Open, close, and pay for PO Boxes, Caller Services, and Reserves online

·         Automatic Renewals

·         Account notifications and alerts

·         View account payments, balances, and transaction history

·         Customized payment reporting and dashboard capabilities

·         To get started, please contact MSSC@usps.gov.

User Guides
01/26/2024
Computerized Delivery Sequence (CDS) User Guide

This document contains a user guide for CDS.

User Guides
01/19/2024
User Guides
01/19/2024
Parcel Labeling Guide

This document has been developed to make it easier to create and use labels on parcels shipped via the United States Postal Service® (USPS®). While some flexibility exists in design of shipping labels, using these standards will make label certification easier and make processing your parcels more efficient.

User Guides
01/18/2024
Guide to Move Update

The Move Update standard is a means of reducing the number of mailpieces in a mailing that require forwarding or return by the periodic matching of a mailer’s address records with change-of-address orders received and maintained by the Postal Service. Mailers who claim First-Class Mail presorted or automation prices, USPS Marketing Mail prices, and Parcel Select Lightweight prices must demonstrate that they have updated their mailing list within 95 days before the mailing date.

User Guides
01/16/2024
Address Element Correction (AEC) & AEC II User Guide

A comprehensive user guide to Address Element Correction (AEC) and AEC II®. Topics addressed: the importance of address accuracy, differences between AEC I and II, ACS vs. AEC, fees and payments, processing, and technical information.