The Trump Department of Justice (DOJ) has formally asked the U.S. Supreme Court to step in and resolve a legal challenge involving Arizona’s voter registration laws that require individuals to provide proof of U.S. citizenship.

On Tuesday, the DOJ filed a petition for certiorari, urging the high court to hear arguments in a dispute over Arizona statutes that govern how residents register to vote.

The request centers on provisions of state law that mandate citizenship verification as part of the voter registration process, a policy supporters describe as a “commonsense” safeguard intended to protect election integrity.

The legal battle reflects ongoing national debates over election security, with supporters of the Arizona law arguing that ensuring only U.S. citizens can register is a basic requirement for maintaining public confidence in elections. They say the measure helps prevent potential fraud and strengthens trust in the democratic process.

Opponents of such requirements have previously argued that stricter documentation rules could create barriers for eligible voters, though the Trump administration has consistently pushed for tighter verification standards in election systems across the country.

The Supreme Court’s decision on whether to take up the case could have broader implications for how states implement voter registration rules moving forward, particularly as debates over election integrity continue to shape the political landscape.