MPEP 905.01(a)(2)
Notes Found in CPC schemes

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

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905.01(a)(2)    Notes Found in CPC schemes [R-07.2015]

Notes are supplementary statements that follow a CPC class, subclass, main group, or subgroup title. Instruction in a "Note" is applied only to the CPC place where it appears, including all its hierarchically lower places. For example, a note after a class title applies to the entire class. A note after a subclass title applies only to the subclass, a note after a main group applies only to the main group, etc. Notes may be used to explain the scope, define terminology, or indicate specific classification rules.