The paper examines the specifics and system of regulation of the administrative penal liability under the Labour Migration and Labour Mobility Act (LMLMA). In the context of the peculiarities and essence of the subject matter of this special law, we have analysed the basic administrative offences and the penalties provided for them, as well as the corresponding competence of the control bodies. The authors have drawn conclusions and highlighted tendencies in the control and realisation of legal liability under the legislation, and have set forth basic recommendations for improving the legal provisions and clarifying the described offences.