Skip Top Navigation
  • Who We Are

    • Leadership
    • Financials
    • Government Relations
    • Judicial Officer
    • Legal
    • Our History
    • Postal Facts
  • What We're Doing

    • Strategic Planning
    • Current Initiatives
    • Securing The Mail
    • Sustainability
    • Corporate Social Responsibility
    • Government Services
    • Postal Customer Council
    • Service Performance Results
  • Newsroom

    • National News
    • Local News
    • Testimony & Speeches
    • Broadcast Downloads
    • Events Calendar
    • Photo Gallery
    • Service Alerts
  • Careers

    • Career Opportunities
    • Working at USPS
    • How to Apply
    • Profile Login
  • Doing Business with Us

    • Suppliers
    • Licensing
    • Rights & Permissions
    • Auctions
    • Public Key Infrastructure
The image is the profile of an eagle's head adjoining the words United States Postal Service to form the corporate signature, along with the text About
Link to "SingleSource ACS Fulfillment" Link to contents for "ACS™ Product Information Guide"      Link to "Fulfillment Files"

Data Integrity

While the Postal Service strives to provide ACS data in the manner described in this document, there may be occasions when the data field may not contain the expected data. When customers submit a COA, it is possible that some of the data provided may not be accurate or may be incomplete. In rare instances when our systems are unable to make corrections to the COA data submitted by the customer, the Postal Service has no choice but to include the data exactly as it was provided by the customer. Additionally, in other rare instances, it is possible that other data fields, not directly related to the data fields provided by the customer, may be missing. We strongly suggest that all automated systems utilizing ACS data perform validity checks on all fields.




Link to "SingleSource ACS Fulfillment" Link to contents for "ACS™ Product Information Guide"      Link to "Fulfillment Files"
  • LEGAL

    • Privacy Policy ›
    • Terms of Use ›
    • FOIA ›
    • No FEAR Act EEO Data ›
  • ON ABOUT.USPS.COM

    • Newsroom ›
    • USPS Service Alerts ›
    • Forms & Publications ›
    • Careers ›
    • Site Index ›
  • ON USPS.COM

    • USPS.com Home ›
    • Buy Stamps & Shop ›
    • Print a Label with Postage ›
    • Customer Service ›
    • Delivering Solutions to the Last Mile ›
  • OTHER USPS SITES

    • Business Customer Gateway ›
    • Postal Inspectors ›
    • Inspector General ›
    • Postal Explorer ›
Copyright© 2023 USPS. All Rights Reserved.