PHOENIX β€” A federal judge has blocked Arizona from enforcing a 2022 state law requiring proof of citizenship to vote for U.S. president.

In ruling Thursday, U.S. District Court Judge Susan Bolton said Arizonans who use a federal voter registration form are entitled to cast a ballot in presidential elections. She voided parts of the state law that say only those who provide β€œsatisfactory evidence of citizenship’’ can vote in those elections.

Bolton also said the state cannot enforce another provision that says anyone who uses this federal form can’t vote by mail.

But the judge withheld final judgment on whether other changes in state voter registration laws enacted by the Republican-controlled Arizona Legislature also run afoul of federal laws. That will be determined after a full-blown trial.

In a separate ruling, however, Bolton gave challengers, including the U.S. Department of Justice and voting rights groups including Mi Familia Vota, the authority to question Senate President Warren Petersen and House Speaker Ben Toma about their motives for approving the laws.

β€œThe speaker and president must produce communications that they have sent or received relating to the voting laws’ legislative process and withheld on legislative privilege grounds,’’ the judge wrote. β€œThey may also be deposed about their personal involvement in the voting laws’ legislative process.’’

Sworn statements of citizenship

The ruling overturns efforts by GOP lawmakers to limit, ahead of the 2024 presidential race, who can cast a ballot.

State law requires people to provide proof of citizenship to vote. That is not in dispute for state or local races.

But the National Voter Registration Act requires the Election Assistance Commission to prepare a form that can be used to vote in federal elections. That form mandates only that applicants sign a sworn statement avowing, under penalty of perjury, they are in fact citizens.

State Sen. Jake Hoffman, R-Queen Creek, who was in the Arizona House at the time, said that β€œignores the Constitution.’’ He said Congress is allowed to pass laws pertaining to the times, places and manners of electing representatives and senators.

But β€œthe Constitution gives no such power (by Congress) over presidential elections,’’ Hoffman argued at the time, saying that power is reserved to the states. He said that means Arizona is free to set voting requirements in presidential races, including proof of citizenship.

Bolton disagreed.

β€œThe plain language of the National Voter Registration Act reflects an intent to regulate all elections for federal office, including for president or vice president,’’ she wrote. β€œAnd binding precedent indicates that Congress has the power to control registration for presidential elections.’’

Can’t bar voting by mail

Similarly, Bolton said federal law preempts a requirement in the challenged statute that anyone who uses the federal form must provide documented proof of citizenship in order to vote by mail in any race for which they are eligible to vote. She said that’s not what the federal law says.

β€œCongress recorded that it enacted the National Voter Registration Act not just to establish procedures that will increase the number of eligible citizens who register to vote in elections for federal office, but also to make it possible for federal, state and local governments to implement this chapter in a manner that enhances the participation of eligible citizens as voters in elections for federal office,’’ Bolton said.

β€œFurther, Congress found that discriminatory and unfair registration laws and procedures can have a direct and damaging effect on voter participation in elections for federal office and disproportionately harm voter participation by various groups, including racial minorities,’’ the judge continued. β€œIt is the duty of federal, state and local governments to promote the exercise of the fundamental right to vote.’’

Hoffman’s legislation was one of several dozen measures introduced in the legislative session closely linked to the movement that challenges Donald Trump’s 2020 loss to Joe Biden in Arizona by 10,457 votes.

This measure specifically stems from claims that people who aren’t legally in this country went to the polls and cast ballots.

Hoffman said at the time that about 21,000 Arizonans signed up to vote using not the state registration form, which has a proof-of-citizenship requirement, but the form prepared by the Election Assistance Commission that entitles registrants to vote only in presidential and congressional races and mandates only that applicants sign a sworn statement avowing, under penalty of perjury, they are citizens.

On signing the measure, then-Gov. Doug Ducey said he accepted Hoffman’s argument that there is a β€œlegal nuance’’ that allows the state to seek citizenship proof in presidential contests that it cannot seek in congressional races.

β€œI believe voter ID is Step 1 of being able to vote, and proof of citizenship along with that,’’ the Republican governor said at the time. β€œThis bill ensures that.’’

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Howard Fischer is a veteran journalist who has been reporting since 1970 and covering state politics and the Legislature since 1982. Follow him on Twitter at @azcapmedia or email azcapmedia@gmail.com.