The paper deals with violations of official duty. It will be explained, first of all, who are the persons performing official duty, the notion of the civil servant and his rights and obligations, which he executes in accordance with the Constitution, law and other regulations adopted on the basis of the Constitution and the law. Then the violations of official duty are explained, which are divided into light and serious violations of official duty. Considering that for each violation of official duty, a certain penalty is followed, the penalties for each of the violations were described in more details, and the bodies responsible for conducting the procedure against violation of official duty as well as the procedure itself. The paper studies the Law on Civil Servants, which, among other things, regulates the equal relationship between civil servants and the state as an employer and the Code of Ethics, which contains ethical principles that civil servants should adhere to during the service. It was concluded that the violation of official duty comes when civil servants in the course of performing official duties are not in compliance with the Constitution, laws and other regulations adopted on their basis and the principles of the Code of Ethics. It was also concluded that the sanctioning of civil servants for the committedviolations ensures efficient functioning of the civil service, as well as the trust of citizens in the work of the entire state administration.