18 No. 2 of 2016] Constitution of Zambia (Amendment) (2) A person may, within seven days of a declaration made in accordance with clause (1), challenge the declaration, as prescribed. (3) The processes specified in clauses (1) and (2) shall be completed at least thirty days before a general election. Electoral code of conduct 54. A candidate and a political party shall comply with a prescribed electoral code of conduct. Losing candidate not eligible for certain appointments 55. A candidate who loses an election as a President, VicePresident, Member of Parliament or councillor is not eligible, during the term of that National Assembly or council, for appointment as— (a) Minister; or (b) Provincial Minister. Election date for general elections 56. (1) A general election shall be held, every five years after the last general election, on the second Thursday of August. (2) The day on which a general election is held shall be a public holiday. By-elections 57. (1) Where a vacancy occurs in the office of Member of Parliament, mayor, council chairperson or councillor, a by-election shall be held within ninety days of the occurrence of the vacancy. (2) A by-election shall not be held within the one hundred-andeighty day period that precedes a general election. (3) The Electoral Commission shall, by regulation, set the place where, and the date and time when, a by-election is to be held. Constituencies, Wards and Delimitation Constituencies, wards and delimitation 58. (1) Zambia shall be divided into constituencies and wards for purposes of elections to the National Assembly and councils, respectively. (2) The number of constituencies shall be equal to the number of seats of elected members in the National Assembly. (3) The number of wards in a district shall be prescribed. (4) The Electoral Commission shall determine the names and boundaries of constituencies and wards.