Laws enabling the state government to dump a councillor who acts improperly will be introduced in parliament this year, and be drafted to allow for Perth Lord Mayor Lisa Scaffidi to be dealt with retrospectively, Premier Mark McGowan says.

Laws enabling the state government to dump a councillor who acts improperly will be introduced in parliament this year, and be drafted to allow for Perth Lord Mayor Lisa Scaffidi to be dealt with retrospectively, Premier Mark McGowan says.