旅客 りょかく施設 しせつ使用 しよう りょうであれば
ryo kaku shisetsu shiyō ryōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 旅客施設使用料

1. If it is a passenger facility charge; If it’s about passenger facility usage fees

Ba Conditional
Aviation