代行 だいこう受信 じゅしん しゃ許可 きょかであれば
daikōjushinshakyokadeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 代行受信者許可

1. If it's permitted to receive on behalf of someone; If one is authorized to receive on behalf of someone.

Ba Conditional
Computing