固定 こてい残業 ざんぎょう だいじゃなかったです
koteizangyōdaija nakattadesu

Noun
Desu Copula

The polite, past negative form of 固定残業代

1. Wasn't a fixed overtime pay.; Wasn't the fixed overtime allowance.

Past/Perfective
Negative
Polite
Casual Register