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What citizenship evidence can Arizona require to register?

Republican National Committee v. Mi Familia Vota

Election law · US Supreme Court · No. 25-1017 · Argument scheduled

Research checked 27 September 2026 · Official docket

The competing views

The National Voter Registration Act sets federal requirements for registration and list maintenance. A consent decree is a binding court-approved agreement. The Court also accepted a question about removals within 90 days of a federal election. This selection concerns the disposition of the lower-court judgment on the lead docket, including a reversal or vacatur in part; it is not limited to the state-form requirement.

The RNC

The RNC argues that states can require citizenship evidence on their own forms and that the consent decree cannot block the challenged requirement. It also disputes the restrictions on removing noncitizens near an election.

Mi Familia Vota and allied respondents

In their opposition to review, the respondents argue that federal law limits unnecessary documentary demands and that the existing consent decree remains binding unless properly changed. Their merits response is due after this research snapshot.

Original summaries of submissions, not findings of fact.

Procedural history

  1. 29 June 2026

    Supreme Court grants review

  2. 28 August 2026

    RNC files its merits brief

  3. 13 October 2026

    Respondents’ merits briefs due

  4. 8 December 2026

    Oral argument scheduled

Research & materials

Official case docket (opens in new tab)Questions presented (opens in new tab)Petitioners’ filing (opens in new tab)Respondents’ opposition to review · official PDF (opens in new tab)

Respondents’ merits briefs are due on 13 October 2026. Their linked opposition is from the earlier review stage, not a merits response. Court links open official materials; scheduled arguments are not transcripts.

Case updates

Research and argument schedule checked

The docket records argument scheduled for 8 December 2026. This is a dated research update, not a live feed.

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Oral argument scheduled

The official docket schedules oral argument for 2026-12-08. Dates may change. Docket entry dated 2026-09-04; checked 2026-09-26.

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Merits brief filed

The official docket records this procedural event. Docket entry dated 2026-08-28; checked 2026-09-26.

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