noun which may take the genitive case particle 'no', na-adjective, noun
regular; normal; formal; legal; established; legitimate
Describes something that follows official rules, standards, or proper procedures. Often used in formal, legal, and organizational contexts.
正規の手続きを踏んでください。
Please follow the proper procedures.
He was hired as a regular employee.
この書類は正規のものではない。
This document is not official.