登録 とうろく所有 しょゆう しゃ識別 しきべつ じゃなかったです
mitō rokusho yūshashikibetsukojanakattadesu

Noun
Desu Copula

The polite, past negative form of 未登録所有者識別子

1. Was not an unregistered owner identifier.; Was not a non-registered owner ID.

Past/Perfective
Negative
Polite
Casual Register
Computing