MPEP 905.01(a)(3)
Warnings Found in CPC schemes

Ninth Edition of the MPEP, Revision 10.2019, Last Revised in June 2020

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905.01(a)(3)    Warnings Found in CPC schemes [R-07.2015]

A warning is used in CPC schemes for signaling deviations from IPC or incomplete classification. A warning may include a listing of IPC groups not included within CPC and the CPC group which covers the relevant subject matter. A warning also may be used to indicate the deletion or transferring of CPC groups and reclassification notices.