The genesis of the legal regulation of the ban on the activities of political parties during the period of the legal regime of martial law in Ukraine and the practice of the Central Election Commission, regarding the application of certain legal consequences of such a ban, have been studied. Іn the process of writing the article general and special scientific research methods were used, including dialectical, formal-logical, historical analysis, comparative law as well as complex approach. It was established that in the conditions of large-scale armed aggression of the russian federation against Ukraine, the domestic legislation on political parties underwent changes that determined the procedure for banning the activities of political parties in case of detection of the facts of actions by a political party aimed at liquidating the independence of Ukraine, changing the constitutional order by violent means, violating the sovereignty and territorial integrity of the state, and undermining its security. Attention is focused on the imperfections of the current election legislation, which does not provide for a clear algorithm of actions of the authorized subject in this legal relationship. The practice of the Central Election Commission on the issues of replacement and termination of powers was analyzed. The conclusion that the legal positions of the Central Election Commission on relevant issues are based on a systematic and logical analysis of the provisions of the current legislation is made. It is proposed to use these positions while preparing amendments to relevant legislation. Proposals for amendments and additions to the Election Code of Ukraine and the Law of Ukraine "On Elections of People's Deputies of Ukraine" have been formulated to determine the specific consequences of banning the activities of political parties.