源泉 げんせん徴収 ちょうしゅう税額 ぜいがくであれば
gensenchōshūzēgakudeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 源泉徴収税額

1. If the amount of withholding tax…; If it is the amount of withholding tax…

Ba Conditional