Requirements for mail-in ballots laid out in Texas' Election Integrity Protection Act of 2021 are legal, a federal appeals court ruled on Monday.

A federal appeals court has ruled that Texas may enforce a state law that invalidates mail-in ballots submitted without a voter’s state identification number or partial Social Security number. A three-judge panel of the 5th Circuit Court of Appeals ruled unanimously that the requirement the Texas Legislature enacted in 2021 as part of an election-integrity bill known as SB1 did not violate a federal law preventing states from imposing voting requirements “not material” to the validity of ballots.