Constitutional challenges are expected for President Donald Trump 's sweeping executive action to overhaul elections. Article I of the nation’s founding charter gives states, not the federal government, authority over the “times, places and manner” of how elections are run.

US President Donald Trump has signed an executive order that aims to overhaul US federal elections, including by requiring voters to show proof of citizenship and limiting when states can receive mail-in ballots.

U.S. citizens are already not allowed to vote in federal elections. But under the order, the national mail voter registration form will require that applicants provide either a U.S. passport, a REAL ID driver's license or state-issued card compliant with REAL standards,