Fact Sheets
02/26/2015
Periodicals Critical Entry Times (CET) Memo

This message describes changes to the standardized National Destination Critical Entry Times (CET) for periodical mailing customers.

Fact Sheets
01/25/2015
Intelligent Mail® Package Barcode (IMpb) Options for Federal Agencies

As of January 25, 2015, the Intelligent Mail® Package Barcode (IMpb) is required for Certified Mail®, Registered Mail®, Priority Mail® and all packages.

Fact Sheets
09/09/2014
USPS® Package Returns Comparison Checklist

This document is being updated and will return shortly. Thank you for your patience. 

Fact Sheets
05/01/2014
Full-Service Mailer's Checklist

Your Quality Manual includes the written procedures required by the Quality Manual (QM) standards and must also contain all the supporting documentation to meet the FULL SERVICE standards. Regardless of the type of certification (List Mailer, Presort Bureau, or Consolidator), your Quality Manual must address letters, flats, and parcels based on your operations. Your manual must declare organizational policies and the organization-wide objectives describing how you will meet the FULL SERVICE standards.

Fact Sheets
08/20/2013
Registrations and Trademarks

This list is not exhaustive of all USPS® Registrations and Trademarks.

Fact Sheets
08/10/2013
USPS® Registrations and Trademarks

This list is not exhaustive of all USPS® Registrations and Trademarks.

Fact Sheets
07/10/2013
USPS® Container Requirements for Adult Birds

This document describes requirements for bird containers, which must be designed with consideration of the birds' comfort, awareness, health, and welfare.

Fact Sheets
06/24/2013
Folded Self-Mailer (FSM) Reference Material

This document provides summarized information for the standards that Folded Self-Mailers (FSM) and specific Unenveloped mailpiece designs must meet to receive automation letter discounts.

Fact Sheets
03/14/2013
Multiline Optical Character Readers (MLOCR) Presentation of Residual Mail

This document provides a presentation of the Commercial Residual Mail Portion from an MLOCR Presorted orAutomation Letter First-Class Mail.

Fact Sheets
02/25/2013
First-Class Mail® (FCM) Residuals

This document contains facts and information on First-Class Mail residuals.