成年 せいねん しゃ喫煙 きつえん禁止 きんし ほうじゃありませんでした
miseinensha kitsuenkinshihōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 未成年者喫煙禁止法

1. Was not the underage smoking ban law.; It wasn't the law prohibiting underage smoking.

Past/Perfective
Negative
Polite
Terminal Form
Law