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Folded Self-Mailer
In collaboration with the mailing industry, the Postal Service engaged in a mailpiece design study to revise Folded Self-Mailer (FSM) standards for automation letter-size formats. As a result of those learning’s, the revised mailing standards introduce more

creative mailpiece design options that better match with mail processing capabilities. These revised mailing standards were effective on January 05, 2013. You may

access the standards by clicking on DMM Rules for FSMs - see section 201.3.14 under the Important Links.

To further assist customers with understanding the revised rules, a document containing summarized information can be found by clicking on Folded Self-Mailer Reference Material under the Important Links. The reference guide was developed jointly with the mailing industry and includes supplemental information, with a few sample illustrations and finished mailpiece elements, prepared to comply with the proposed rules.

Contact Information:

  • Questions about Folded Self-Mailers should be directed to your local entry site or to a Mailpiece Design Analyst. Access an MDA by clicking "Mailpiece Design Analyst Lookup" or at the link located under Important Links above.
  • Page updated: 12/12/2013

Important Updates

The "Heartbleed" bug hasn't affected Postal Service websites that require customers to provide usernames and passwords, according to USPS IT and the Corporate Information Security Office (CISO). To learn more information, click here.


Standard Mail DSCF Load Leveling Final Rule Published in the Federal Register

The Postal Service has released its Federal Register final rule revising the service standards for Standard Mail that is eligible for Destination Sectional Center Facility (DSCF) rates. These changes will allow a more balanced distribution of DSCF Standard Mail across delivery days. With its new rules, USPS is extending delivery expectation to four days for mail entered on Friday and Saturday. National Implementation began April 10, 2014.


January 2014 Price Change Fact Sheets


Getting Started with Full-Service Intelligent Mail


PostalOne! Contingency Plan

For mailers unable to submit electronic information, click here for the PostalOne! Contingency Plan.











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