noun
crime of omission
Legal term for an offense committed by failing to act when required by law.
不作為犯は、法律上の作為義務に違反することで成立する。
A crime of omission is established by violating a legal duty to act.
作為犯 refers to a crime of commission (active conduct), while 不作為犯 is a crime of omission (failure to act).
Compound of 不 (non-), 作為 (action, commission), and 犯 (crime). The term is a direct translation of the Western legal concept of 'crime of omission'.