Members of the council may also be other chairmen of government bodies of the executive branch. Any other individual is only allowed by special invitation from the Chairman of the Council. If the President resigns, the Chairman of the Verkhovna Rada becomes the acting head of the National Security and Defense Council. Secretaries since 1994 Notes References External links Official web-site of the President of Ukraine Official twitter page English language Official Ukrainian language Twitter page Presidency of Ukraine Ukraine 1991 establishments in Ukraine Ukrainian intelligence agencies