Tech Guides
08/13/2020
USPS Picture Permit® Indicia (PPI) Technical Requirements Version 8.0

USPS Picture Permit® Indicia (PPI) provides organizations the opportunity to include their corporate logo, brand images, or trademarks in the permit indicia space of First-Class Mail® automation letters and postcards, and all USPS Marketing Maill® letters. The addition of images to the permit imprint indicia has the potential of increasing open rates and enhancing the value of the mail.

Tech Guides
10/18/2019
SingleSource ACS™ Technical Guide

This guide is a technical reference for SingleSource ACS. Includes how ACS works, participation requirements, and fulfillment files.

Tech Guides
10/18/2019
Traditional ACS™ Technical Guide

This document is a guide that provides technical information about Traditional ACS™.

Tech Guides
10/18/2019
OneCode ACS® Technical Guide

This guide provides technical references for OneCode ACS®.

Tech Guides
10/18/2019
ACS™ File Format Technical Guide

This document contains the technical guide for ACS file format.

Tech Guides
10/16/2019
Export Compliance Customs Data Requirements

Due to federal export regulations, USPS currently requires electronic customs information on all mail items that bear a customs declaration in order to facilitate federal oversight.

Tech Guides
09/12/2019
Secure Destruction Technical Guide

A technical reference for implementing the Secure Destruction process.

Tech Guides
03/22/2019
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Mail.XML Guide

This guide provides information about using MailXML™ to receive mail tracking data through the IV-MTR application. Through Mail.XML, mailers can receive visibility information for letter and flat containers and handling units (trays, tubs, and sacks).