noun
act number; law number
A unique identifier assigned to a law or ordinance, typically including the year of enactment. Used in legal and administrative contexts.
この法律の法令番号は平成三十年法律第五号です。
The act number of this law is Act No. 5 of 2018.
法令番号を調べるには、官報を確認してください。
To look up the law number, please check the official gazette.
法律番号 is sometimes used interchangeably but 法令番号 is the more formal and precise term in legal documents.
Compound of 法令 (law, ordinance) and 番号 (number). The term is a straightforward modern coinage for legal indexing.