(1) The election shall not be held and a date for a by-election shall be set if less candidates stand for election on the multi-member list than the number of representatives to be elected, or there is no candidate for the single-member constituency, or there is no candidate for mayor or for the Capital Mayor.

(2) A date for by-election shall be set if the two or more candidates with the highest number of votes in a single-member constituency have the same number of votes.

(3) A date for by-election shall be set if two or more candidates for mayor or for the Capital Mayor receive equal number of votes representing the highest number of votes.

(4) A date for by-election for vacant representative seats shall be set if the number of representatives elected in a multi-member list election is less than the number set out in this Act.

(5) A date for by-election shall be set if the mandate of a single-member constituency representative or a mayor or the Capital Mayor terminates.

(5a) Where the mandate of a single-member constituency representative who stood for election as a candidate of a nominating organisation terminates and a date for by-election cannot be set, the candidate to receive the mandate shall be the candidate specified from among the candidates on the compensatory list by the nominating organisation or, for a joint compensatory list, by the nominating organisations concerned or, absent such a candidate, the next candidate on the compensatory list.

(6) A by-election shall be held if a local government representative body is dissolved or dissolves itself.