回送 かいそう先住 せんじゅう しょ要求 ようきゅうだろう
kaisōsen jūshoyō kyūdarō

Noun
Da Copula

Expresses probability ("probably…") of 回送先住所要求

1. Probably requesting the return address.; Likely a request for a return address.

Presumptive
Conjecture
Computing