The group wants to collect enough voter signatures to force a referendum.
It would repeal a law that brings the state into closer compliance with the federal Real ID law.
Among other things, Maine’s law requires that license applicants are in the country legally.
Leaders say 10,000 petitions have been printed, and will be distributed in the coming days.
Meanwhile, a separate people’s veto campaign wants to undo Maine’s newly enacted tax increases on soda, beer, and wine to pay for the Dirigo Health program.