Tech Guides
07/10/2025
Tech Guides
03/24/2014
Container, Tray, and Bundle Visibility User Guide

This user guide shows mailers how to obtain Container, Tray, and Bundle tracking information. 

User Guides
06/10/2012
A Guide to Customer/Supplier Agreements

This document provides guidance on how to create a Customer/Supplier Agreement (CSA), a written notice that confirms, for a commercial mailer, the Origin-Entry preparation requirements.

Tech Guides
03/30/2008
Intelligent Mail Container Barcode Technical Specifications

Technical specifications for printing the USPS Intelligent Mail® Container barcode (IM™ Container barcode). The Intelligent Mail Container barcode is used on mailer-generated pallet labels to uniquely identify pallets and similar containers (i.e.

Tech Guides
03/30/2008
Intelligent Mail Container Barcode Technical Specifications

Technical specifications for printing the USPS Intelligent Mail® Container barcode (IM™ Container barcode). The Intelligent Mail Container barcode is used on mailer-generated pallet labels to uniquely identify pallets and similar containers (i.e.