Advocates for the ‘instant runoff’ plan to be at the polls seeking signatures to overturn a bill that would delay and possibly repeal Maine’s switch to the system.

It then approves and sends to the House a bill to amend the Maine Constitution to fix flaws in the law identified by the state’s highest court.

Their rally comes a day before the Legislature holds hearings on two ranked-choice bills prompted by a Maine Supreme Judicial Court ruling that the system violates the state constitution.

The advisory opinion means lawmakers must start the process of amending the Constitution to allow the voter-approved law or repeal it, which is more likely.