Local Government Act 1993 No 30
Current version for 1 July 2020 to date (accessed 8 August 2020 at 23:06)
370   What are the voting entitlements of councillors?
(1)  Each councillor is entitled to one vote.
(2)  However, the person presiding at a meeting of the council has, in the event of an equality of votes, a second or casting vote.