Discussion on the dogmatics of criminal omission, its major theories in terms of the basic components of crime's legal concepts. Special consideration of criminal omission crimes and its conformity with the legality principle (the absence of a concrete description of the legal situations in which someone is to be held responsible for having comitted an offense for not having acted when he/she should have). The principle of culpability (blame) and criminal omission. The major theories on the attribution of a crime to omission (liability).