Court upon a resolution passed by three quarters of all members of the National Legislature. (3) In the event of conviction of the President of the Republic or the First Vice President, in accordance with sub-Article (2) above, he/she shall be deemed to have forfeited his/her office. Contesting Acts of the President or the Presidency 61 Any person aggrieved by an act of the President of the Republic or the Presidency may contest such act:(a) before the Constitutional Court, if the alleged act involves a violation of this Constitution, the Bill of Rights, the decentralized system of government, or the Comprehensive Peace Agreement, (b) before a competent court of law, if the allegation is based on other legal grounds. The two Vice Presidents, Assistants and Advisors 62 (1) The elected President of the Republic shall appoint two Vice Presidents, one from Southern Sudan and the other from Northern Sudan. If the elected President is from the North, the position of the First Vice President shall be filled by the person who has been elected to the post of President of Government of Southern Sudan, as the President's appointee to the said position. In the event that a person from the South wins the Presidential elections, the elected President shall appoint the First Vice President from the North upon the recommendation of the party that won the highest number of northern seats in the National Assembly. (2) The two Vice Presidents shall satisfy the same conditions required for the office of the President of the Republic. (3) The President of the Republic may appoint assistants and advisors and define their functions and seniorities. (4) To assume their respective offices, the two Vice Presidents, assistants and advisors shall take before the President of the Republic the same oath taken by the President. Functions of the two Vice Presidents 63 (1) The First Vice President shall have the following functions:­ 23