7.—(1) In the case of each constituent council—
(a)the executive leader, where the constituent council operates a leader and cabinet executive;
(b)the elected mayor, where the constituent council operates a mayor and cabinet executive,
is the council member of the South East Wales CJC.
(2) Where a council member is, for any period, unable to discharge their functions, the constituent council of which they are a member must appoint another member of its executive to discharge those functions on behalf of the council member for that period.
(3) Where a constituent council has a vacancy in an office referred to in paragraph (1), the constituent council must appoint another member of its executive as the council member of the South East Wales CJC until such time as the vacancy is filled.