Pricing & Classification DMM Advisory
May 8, 2013
Deferred Implementation Date for CASS™/MASS™ Cycle O
The implementation date for CASS™/MASS™ Cycle O is being deferred to August 1, 2015. CASS and MASS certifications obtained during Cycle N will be valid through July 31, 2015. New certificates will not be sent; however, the Products Guide https://ribbs.usps.gov/files/vendors/ will reflect the new certification expiration date.