The state and national Democratic parties sued Monday to block two recent rules adopted by Georgia’s State Election Board that could be used by county officials who want to refuse to certify an election, potentially causing delays in finalizing the state’s results.

The lawsuit, filed before a state judge in Atlanta, argues the rules violate a state law that makes certification a mandatory duty. The suit asks the judge to find the rules are invalid because the State Election Board, now dominated by allies of former President Donald Trump, is exceeding its legal authority.