Loss or retention of Council membership
A councillor not representing a ward ceases to be a member of a Municipal Council if that councillor, other than in accordance with item 2, 3 or 7, ceases to be a member of the party which nominated that councillor as a member of that Council.
A councillor representing a ward in a Municipal Council ceases to be a member of that Council if that councillor, other than in accordance with item 2, 3 or 7 —
ceases to be a member of a party which nominated that councillor as a candidate in the ward election; or was not nominated by any party as a candidate in the ward election and becomes a member of a party.