8. Where a vacancy arises in the membership of the Authority, it shall be filled as soon as practicable—
(a)where the vacancy is created by a local authority member, by the council in whose representation the vacancy arises in accordance with paragraph 2(4) to (7) (local authority members) of Schedule 7 to the 1995 Act; and
(b)where the vacancy is created by a member appointed by the Secretary of State, by the Secretary of State in accordance with paragraph 3 (parish members of English National Park authorities) or paragraph 4 (members (other than parish members) appointed by the Secretary of State), as the case may be, of Schedule 7 to the 1995 Act.