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.
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.
10/06/2023
USPS Service Standards Getting Started Guide
The Postal Service has developed Service Standards data files to help customers determine the number of days in transit. This tech sheet will provide step-by-step instructions on how to use these data files allowing you to streamline your operations and improve customer experience.
10/05/2023
10/05/2023