of President under clause (1) of this article, appoint a person to the office of Vice President, subject to the approval of Parliament. (7) A person appointed under clause (6) of this article, shall, before assuming the duties of the office of Vice President take and subscribe the oaths in respect of that office under article 108(7) of this Constitution. (8) Before assuming the duties of the office of President under clause (5) of this article, the Speaker shall take and subscribe the oaths specified in relation to that office in the Fourth Schedule to this Constitution. (9) Whenever the Speaker assumes the office of President as a result of the death, resignation or removal of the President and the Vice President, or under the provisions of article 104(7) of this Constitution, a presidential election shall be held in accordance with clause (2) of this article. 110. State of emergency. (1) The President may, in consultation with the Cabinet, by proclamation, declare that a state of emergency exists in Uganda, or any part of Uganda if the President is satisfied that circumstances exist in Uganda or in that part of Uganda— (a) in which Uganda or that part of it is threatened by war or external aggression; (b) in which the security or the economic life of the country or that part is threatened by internal insurgency or natural disaster; or (c) which render necessary the taking of measures which are required for securing the public safety, the defence of Uganda and the maintenance of public order and supplies and services essential to the life of the community. (2) Subject to the provisions of this article, a state of emergency declared under clause (1) of this article shall remain in existence for not more than ninety days and shall then expire. (3) The President shall cause the proclamation declaring the state of emergency to be laid before Parliament for approval as soon as practicable and in any case not later than fourteen days after it was issued. (4) A state of emergency may be extended by Parliament for a period not exceeding ninety days at a time.