LINCOLN, Neb. (AP) — Nebraska lawmakers have started to debate a bill that would require voters to show government identification at the polls.

The proposal faces strong resistance, despite arguments from supporters Tuesday that Nebraska’s version includes safeguards to protect voters from being disenfranchised.

Republican Secretary of State John Gale says Nebraska hasn’t seen widespread voter fraud, although there have been isolated cases.

Sen. Tyson Larson of O’Neill says his measure would let voters cast provisional ballots without identification and would allow alternate forms of ID, including those issued by tribal governments.

Opponents say it’s a government mandate when there’s no evidence that voter fraud exists. They also say it contradicts Nebraska’s constitution, which forbids any hindrance or impediment on qualified voters to exercise their right.