(3) An election to the office of Deputy Speaker must be conducted in accordance with Standing Orders. (4) The Deputy Speaker may resign his or her office by giving notice in writing to the Speaker or to the Clerk of Parliament. (5) The Deputy Speaker must vacate his or her office— (a) upon ceasing to be a Member of the National. Assembly; (b) upon becoming a Senator or the President of the Senate; (c) upon becoming a Vice-President or a Minister; or (d) if a resolution for his or her removal from office is passed by at least two-thirds of the total membership of the National Assembly. PART IV GENERAL MATTERS RELATING TO PARLIAMENT 116 Privileges and immunities of Parliament (1) The President of the Senate, the Speaker, Senators and Members of the National Assembly have freedom of speech in the Senate and the National Assembly and in any committees of the Senate or the National Assembly and, while they must obey the rules and orders of the House concerned, they are not liable to civil or criminal proceedings, arrest or imprisonment or damages for anything they say in, produce before or submit to or for anything revealed as a result of anything they say, produce before or submit to, the Senate or the National Assembly. (2) An Act of Parliament may prescribe— (a) other privileges and immunities of Members of Parliament; (b) the privileges, immunities and powers of the President of the Senate, the Speaker, the Clerk of Parliament and other officers of Parliament; (c) penalties for persons who sit or vote in Parliament knowing or having reasonable grounds for knowing that they are not entitled to do so; (d) a right of reply, through the President of the Senate or the Speaker, as the case may be, for persons who are unjustly injured by what is said about them in Parliament. 117 Oath or affirmation of Member of Parliament Every Member of Parliament must, before taking part in any proceedings of Parliament except proceedings necessary for the purpose of this section, take the oath or affirmation of a Member of Parliament in the form set out in the First Schedule. 118 Tenure of seat of Member of Parliament The seat of a Member of Parliament becomes vacant— (a) on the dissolution of Parliament; (b) upon the Member resigning his or her seat by notice in writing to the President of the Senate or Speaker, as the case may be, or to the Clerk of Parliament; (c) upon the Member becoming President; - 51 -