課金 かきん動作 どうさ有効 ゆうこう期間 きかんなら
kakindōsayūkōkikannara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 課金動作有効期間

1. If/when the payment action is valid; If the payment action is within the valid period

Nara Conditional
Computing