In a final work it gives a detail description of responsibility constitution for violation of official duties or disciplinary responsibility of civil servants in Republic of Croatia. In the beginning it attends definition of term civil servants which describes a person who in national authorities as their regular occupation performs business in incidence those authorities which are laid down by the Constitution, laws or other regulations. Violation of official duties of civil servants indicates violation of some rights or duties from civil relations. Special duties and competences are spoiled by them which civil servants have as a competent authority of civil competence in the state. Fundamental legal commitment of civil servants in performing official duties is to hold on the laws and all regulations which are laid down by the law, with reference to that they theirs civil duties perform legally, transparently, effectively and professionally. Every failing to fulfill defined duties is regulated by the law, lead them in a situation in which they are responsible for violation of official duties. Civil Servant Law represents regulation of general civil law which is laid down by general conditions of responsibility for violation of official duties. Also, the types of violation of official duties are demonstrated, authorities for proceedings for violation of official duties, proceedings for violation of official duties which includes parties in process, proceeding process, proceeding claim as well as special regulation of proceeding because of difficult violation of official duties, then penalty for violation of official duties and suspension. Especially it emphasizes importance of penalties for violation of official duties because with its pronouncement and punishing responsible civil servants for committed violation of official duties is accomplished the aim of proceedings process for violation of official duties and it ensures functioning civil services. It is considered that responsibility for violation of official duties isnt the only Institute which secures professionally and effectively procedure and behavior of civil servants, but it has significant role throw preventive and repressive action competent authority. Also, the system of responsibilities for violation of official duties is arranged in a clear and complete way but certainly they are possible further improvements.