大気 たいき汚染 おせん防止 ぼうし ほうだったら
taiki osembō shi hōdattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 大気汚染防止法

1. If/when it were the Air Pollution Control Law.; If/when the Air Pollution Control Law applied.

Tara Conditional
Law