Release Notes
03/13/2026
March 22 2026 Release Notes
FAQs
03/12/2026
Introduction to Premium Forwarding Service Commercial (PFSC)
Announcements
03/12/2026
INFORMATIONAL - Scheduled Commercial Systems Activities 3-29-2026
Release Notes
03/12/2026
PFSC Application 2.0 Release Notes 3-12-2026

This document describes the updates and enhancements for the PFSC application released on 3/12/2026 along with information on the new MyPFS feature released on 3/13/2026 as part of the My Products Portal.

User Guides
03/12/2026
MyPFS Overview User Guide March 2026

This is a guide describing the new MyPFS product feature in the My Product Portal released in March 2026.

User Guides
03/12/2026
Premium Forwarding Service Commercial External User Guide

User Guide for the Premium Forwarding Service Commercial application. 

Data Files
03/12/2026
Z4 Info File

A downloadable ZIP file containing information related to the Z4 Info File

Data Files
03/12/2026
Early Warning System (EWS002C0.ZIP)

This file is the EWS production file and is updated weekly. This file contains the Early Warning System data file for the CASS™ and MASS™ certification process.

 

Release Notes
03/11/2026
March 15 2026 Release Notes
Announcements
03/11/2026
INFORMATIONAL - Expansion of Daily USPS API On-Boarding Zoom Support