Fact Sheets
07/31/2026
Commonly Asked Mailpiece Design Analyst (MDA) Customer Questions

Commonly asked questions and answers from MDA customers.

Contact Lists
07/15/2026
Business Acceptance Solutions & Major Mailer Support Directory

This document provides a contact list for Business Acceptance Solutions (formerly Business Mailer Support) & Major Mailer Support

Fact Sheets
04/29/2026
Mailpiece Design Analyst (MDA) Customer Service Help Desk Brochure

An overview brochure for the MDA Customer Service Help Desk, including services, benefits, and contact information.

Technical Specifications
06/20/2024
Trailing Edge Die-Cut (TED-C) Process for Eligibility at Automation Letter Prices

This advisory provides the process for getting approval to mail a non-rectangular trail edge die-cut (TED-C) letter-size mailpieces at the applicable automation letter prices. 

Tech Guides
06/27/2023
Trailing Edge Die-Cut (Ted-C) Letters Template

Template with instructions for Trailing Edge Die-Cut (Ted-C) Letters.

Announcements
08/13/2021
FAQ's for the new Larger Sized Postcard

The Postal Service has increased the size of a commercial presorted or automation First-Class Mail (FCM) postcard.

Presentations
01/12/2021
Announcements
01/04/2021
Streamlining of the Mailpiece Design Approval Process

The Postal Service has launched a Mailpiece Design Approval Knowledge Base, to provide consistent and universal evaluations of mailpieces entered through Business Mail Entry Units (BMEUs).

Presentations
01/01/2019