Arizona lawmakers told the federal government in 2008 that the state would not cooperate in the Real ID Act, a post-9/11 law meant to make it harder for terrorists to obtain fake IDs.
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Residents of states that have not complied with the Real ID Act — Arizona is one of 11 such states — will not be able to use their driver’s licenses to get into restricted areas of federal facilities and nuclear power plants.
In January, the list of areas requiring a second form of identification, like a passport, will expand to include all federal facilities that require identification. Ultimately, the restriction could apply to people trying to board a plane, although that will not come until at least 2016, and only after a Department of Homeland Security evaluation.