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MAC™ and MAC Gold™ CertificationPrintable View
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Manifest Analysis Certification
The Postal Service® has a voluntary program for vendors who supply manifest software. The Manifest Analysis and Certification (MAC) and (MAC Gold) programs test vendor-supplied manifesting software to determine whether it calculates postage and fees accurately and is able

Important Links
MAC and MAC Gold Documents and Publications
MAC File Layout Cycle K (PDF/18KB)
Manifest Certified Software Products List
Cycle K MAC Order Form (PDF/128KB)

to produce listings of mailpieces, facsimile postage statements, and other documentation that meet applicable Postal Service standards. If the software successfully passes the MAC tests, it is certified by the Postal Service.


Contact Information:
MAC and MAC Gold
Phone: 800-238-3150
Email: manifest.ncsc@usps.gov
Page updated: 04/09/2009

Intelligent Mail Services

1-800-238-3150

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