Despite quick progress through the Minnesota Legislature, the proposal that would require photo IDs at voting polls may be decided by the people through a constitutional amendment, according to the Star Tribune.

Bills have quickly passed through committees in both the House of Representatives and Senate and will soon come to a floor vote, but Gov. Mark Dayton’s lukewarm response to the proposal has prompted Republicans to prepare for a possible veto.

“I’m willing to look at anything, but I’m a long ways from supporting it,” Dayton said.

Republican legislators who support the bill are already planning a constitutional amendment that could be added to the ballot in the next election. The bill’s author in the House, Rep. Mary Kiffmeyer, R-Big Lake, told the Star Tribune the amendment is “in the works.”

If made law, the proposal would require photo ID at the polls and would eliminate vouching to register voters on election day.

Eight states currently require photo identification at the polls, and a ninth law will take effect in Kansas in January 2012, according to the National Conference of State Legislatures.