業務 ぎょうむ じょう過失 かしつじゃありませんでした
gyōmujōka shitsuja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 業務上過失

1. It was not a work-related mistake.; It was not a professional negligence.

Past/Perfective
Negative
Polite
Terminal Form