House Bill 921 passed 79-39 Thursday. It would require voters to show a driver's license or other form of photo identification before casting a ballot.
The bill is intended to enact a state constitutional amendment that Mississippi voters adopted in last November's general election.
However, before voter ID can become law, it must be approved by the U.S. Justice Department, which will check to ensure that the change does not dilute minority voting strength. Federal approval is required because of Mississippi's history of racial discrimination.