Government of Wales Act 1998

2 Membership

(1) The Assembly shall consist of—

(a) one member for each Assembly constituency, and

(b) members for each Assembly electoral region.

(2) The Assembly constituencies and Assembly electoral regions, and the number of Assembly seats for each Assembly electoral region, shall be as provided for by or in accordance with Schedule 1.

(3) Members of the Assembly (referred to in this Act as Assembly members) shall be returned in accordance with the provision made by and under this Act for—

(a) the holding of ordinary elections of Assembly members, and

(b) the filling of vacancies in Assembly seats.

(4) An ordinary election involves the holding of elections for the return of the entire Assembly.

(5) The term of office of an Assembly member—

(a) begins when he is declared to be returned as an Assembly member, and

(b) continues until the end of the day before the day of the poll at the next ordinary election.

(6) But an Assembly member may at any time resign his seat by giving notice to—

(a) the presiding officer, or

(b) any person authorised by the standing orders of the Assembly to receive the notice.

(7) The validity of anything done by the Assembly is not affected by any vacancy in its membership.