Announcements
04/28/2015
ACS™ Announcement: Electronic Product Fulfillment (EPF) Invoice Modification

The ACS EPF Billing Invoice PDF version has been modified effective with the April 24, 2015 invoice.

Tech Guides
04/20/2015
Intelligent Mail® Barcode (IMb) 4-State Specification

This document provides the specifications for generating and printing the Intelligent Mail® barcode (IMb) used in the U.S. Postal Service (USPS) mailstream. The IMb is also known as the USPS OneCode Solution or USPS 4-State Customer Barcode (abbreviated 4CB, 4-CB, or USPS4CB). This document provides information for software developers and users alike on the creation and printing of compliant IMb. It describes the symbology, format, fields, values and other characteristics of the Postal Service IMb.

Applications/ Forms
04/01/2015
Customs Form Certification Checklist

Form to download, complete, and send to NCSC as part of the certification process.

Fact Sheets
04/01/2015
Customs Form Certification Checklist

This document contains a checklist for the Customs Form Certification.

Fact Sheets
03/23/2015
USPS® Delivery Standards and Statistics Fact Sheet
This short article discusses the past performance and volume trends of First-Class and Standard Mail.