http://www.legislation.gov.uk/ukpga/1998/38/section/2/enactedGovernment of Wales Act 1998LegislationOverview and scrutiny committeesKing's Printer of Acts of Parliament2021-08-03 Government of Wales Act 1998Government of Wales Act 1998 (c. 38)Sch. 1 para. 5A 5BPolitical Parties, Elections and Referendums Act 2000Sch. 3 para. 10(5)Government of Wales Act 1998s. 104(1A)Tertiary Education and Research (Wales) Act 2022Deddf Addysg Drydyddol ac Ymchwil (Cymru) 2022s. 68(6)(a)s. 19s. 148(2)art. 2(l) Part I 2 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.