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HB 2492, which was signed into law in March, requires anyone who wants to vote in a presidential election, or vote by mail in any election, to provide proof of citizenship. Voting by mail is widely used in Arizona, a key battleground state, and state Republicans have made numerous attempts to make it harder to cast a ballot that way.
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In 2013, the Supreme Court ruled 7-2 that Arizona could not require anyone who used the federal government’s voter registration application to provide proof of citizenship when they registered. As a result, there are tens of thousands of voters in Arizona who are only allowed to vote in federal elections, not state contests, because they have not provided proof of citizenship.
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Arizona lawmakers said that the decision only applied to congressional elections, not presidential ones, even though a lawyer for the legislature advised them the measure was probably illegal. Some see the law as an effort to get the Supreme Court to reconsider its 2013 decision.