No. 25-1248October Term 2025Before Arguments
Rio Grande Foundation v. Maggie Toulouse Oliver, in Her Official Capacity as Secretary of State of New Mexico
from the United States Court of Appeals for the Tenth Circuit.
Case status
- Current stage
- Before Arguments
- Latest event
- Accepted by the Court
- Decision timing
- No window until argument is scheduled.
- What it's about
from the United States Court of Appeals for the Tenth Circuit.
Question presented
1. Whether the court of appeals correctly determined that New Mexico has an informational interest in requiring qualified donor disclosure for communications that necessarily have a political purpose? 2. Whether the court of appeals correctly determined that the donor disclosure requirements within New Mexico’s Campaign Reporting Act (“CRA”), N.M. Stat. Ann. §§ 1-19-25 to -36, survive exacting scrutiny? 3. Whether the court of appeals correctly applied exacting scrutiny to review the CRA?
- Case path
United States Court of Appeals for the Tenth Circuit / Accepted by the Court
- Area
Elections
Timing
Expected by late June 2026, if argued this term
The Court granted review but has not yet scheduled oral argument. Once argued, the median case reaches a decision in 94 days. Nearly all cases are decided by the end of the term in which they are argued.
Briefing
What it's about
A New Mexico nonprofit is asking the Supreme Court to review a Tenth Circuit decision that said the state's donor-disclosure rules can apply to certain political communications. The dispute is whether New Mexico can require disclosure from an issue-advocacy group that says it does not expressly support or oppose candidates.
Argument
The case is at the certiorari (the Court's decision to hear the case) stage, and no oral argument is scheduled yet. The petition argues New Mexico's disclosure law should not reach issue-advocacy groups that do not engage in express advocacy, while the Tenth Circuit found the state's informational interest sufficient.
Impact
The case could affect how much the public learns about who pays for election-season messages on public issues. It also matters to nonprofits and donors who say disclosure rules can discourage speech and association.
What is Rio Grande Foundation v. Toulouse Oliver about?
It asks whether New Mexico can require donor disclosure from an issue-advocacy group that says it does not expressly back candidates. The petition frames that as a First Amendment problem.
Who could be affected by the New Mexico donor disclosure fight?
Nonprofits, donors, and voters could all be affected. A group paying for election-season messages on public issues could face reporting duties even without express candidate advocacy.
What happens next in Rio Grande Foundation v. Toulouse Oliver?
The Supreme Court must decide whether to grant certiorari (hear the case). No oral argument is scheduled, and no decision window is available yet.
Related cases




Grounding
- Grounding
- Primary materials plus reporting.
- Note
- Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.
- Checked
- Jul 27, 2026
- Method
- Methodology