対外 たいがい共通 きょうつう関税 かんぜいじゃなかったです
taigaikyōtsūkanzeijanakattadesu

Noun
Desu Copula

The polite, past negative form of 対外共通関税

1. Wasn't a common external tariff.; Wasn't a shared external tariff.

Past/Perfective
Negative
Polite
Casual Register
Law