The Scottish Parliament.

1 There shall be a Scottish Parliament. 2 One member of the Parliament shall be returned for each constituency (under the simple majority system) at an election held in the constituency. 3 Members of the Parliament for each region shall be returned at a general election under the additional member system of proportional representation provided for in this Part and vacancies among such members shall be filled in accordance with this Part. 4 The validity of any proceedings of the Parliament is not affected by any vacancy in its membership. 5 Schedule 1 (which makes provision for the constituencies and regions for the purposes of this Act and the number of regional members) shall have effect.