H.R. 9498 explained  ·  119th Congress  ·  Pending in Congress

Taxpayer Advocate Participation Act

Create a free account or sign in to follow H.R. 9498 and get alerts. Policy area: Taxation Create a free account or sign in to follow the Taxation policy area and get alerts. ▲ 33 days since action Sponsor: W. Gregory Steube, FL-17, R → Congress.gov

Cosponsors: 1 (1 D, 0 R) · per Congress.gov, 2026-10-14

Introduced: 2026-06-29

Latest action (2026-09-16): Received in the Senate and Read twice and referred to the Committee on Finance.

What H.R. 9498 does, in plain terms

Taxpayer Advocate Participation Act This bill authorizes the National Taxpayer Advocate to appear as amicus curiae and submit amicus briefs in a U.S. court in cases involving federal tax law. Further, the bill requires federal courts to permit such appearances. (An amicus curiae is a person or group that is not a party in a court case but has an interest in the case and may be permitted to submit a brief, known as an amicus brief, to the court in relation to the case.) Under the bill, the National Taxpayer Advocate may present the views of the National Taxpayer Advocate in such a case only with respect to an issue which may broadly affect certain rights of taxpayers. As background, the National Taxpayer Advocate leads the Taxpayer Advocate Service, which is an independent organization within the Internal Revenue Service (IRS) responsible for helping taxpayers resolve problems with the IRS. The National Taxpayer Advocate is also responsible for proposing administrative and legislative changes to mitigate such problems. Under current law, the National Taxpayer Advocate is not authorized to appear as amicus curiae or submit amicus briefs in cases involving federal tax law.

Official summary by the Congressional Research Service, via Congress.gov.

Constitution Index

“VFA Constitution grade”

A

Constitutionally sound

Graded 2026-10-11

SI-generated grade · five published checks · not individually reviewed by a person · methodology

This bill is fully constitutional. It authorizes the National Taxpayer Advocate to appear as amicus curiae in federal tax cases, which is a procedural expansion of an existing federal office's advocacy role. It does not expand federal power beyond enumerated authority, does not infringe any constitutional right, respects individual sovereignty, passes all decentralization tests, and does not violate due process or takings protections.

  • ✓ Passes · Enumerated powers
    Congress has explicit constitutional authority under Article I, Section 8, Clause 1 to lay and collect taxes, and under the Necessary and Proper Clause (Article I, Section 8, Clause 18) to enact laws that facilitate the administration of the federal tax system. Authorizing the National Taxpayer Advocate to appear as amicus curiae in federal tax cases is a reasonable and proper means of ensuring th…
  • ✓ Passes · Bill of Rights
    The bill does not restrict or infringe any right protected by the Bill of Rights. It does not limit speech, religion, assembly, press, petition (First Amendment), the right to keep and bear arms (Second Amendment), or any other enumerated right. To the contrary, by allowing the National Taxpayer Advocate to present views on issues broadly affecting taxpayer rights, the bill may enhance the protect…
  • ✓ Passes · Individual sovereignty
    The bill imposes no restriction on individual action. It does not compel any person to do or refrain from doing anything. It merely authorizes a government official to participate in court proceedings as a friend of the court, which is a voluntary and advisory role. Individual sovereignty — the right to control one's own person, property, speech, labor, and belief — is entirely unaffected. The gov…
  • ✓ Passes · Decentralization
    The bill passes all four questions of the decentralization test. (1) An individual or family cannot handle the systemic representation of taxpayer interests in federal courts on their own, so federal action is appropriate. (2) A local community or county cannot handle federal tax litigation, which inherently involves federal law. (3) A state cannot handle federal tax law cases because federal tax …
  • ✓ Passes · Due process and takings
    The bill does not bypass due process, presume guilt, or take property without just compensation. It does not alter any existing procedural or substantive due process protections for taxpayers. To the contrary, by allowing the National Taxpayer Advocate to present views on issues broadly affecting taxpayer rights, the bill may enhance the fairness of tax litigation and strengthen due process protec…

Sources: Congress.gov: HR 9498 summary

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What should pass

“VFA SI Solution”

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SI-generated · passed automated checks (Constitution citation, source verification, independent SI critic) · not individually reviewed by a person · Report an error: hello@valuesforamerica.com

Taxpayer Voice in Court With Judicial Control and Sunset

Generated by VFA SI Solutions

Help protect broad taxpayer rights in federal court by letting the National Taxpayer Advocate share an independent taxpayer perspective in cases involving federal tax law.

Bipartisan rationale: VFA assesses this draft would give Democrats and progressives an independent taxpayer voice in federal court, with public reporting on broad taxpayer-rights issues. VFA assesses it would give Republicans and conservatives a limited reform that preserves court control, bars party intervention, caps spending with no new funds, and ends after five years unless Congress extends it.

Funding: Existing appropriations for the Internal R Cap of $2 million per fiscal y Sunset 5y Oversight: Treasury Inspector General for Enforcement: The Advocate may request leave to fi

Possible legislative path: In the House and Senate, taxpayer fairness and court efficiency interests may support the measure while judges and fiscal restraint interests may seek to preserve court discretion and enforce the cap and sunset.

Source limits: The full bill text, current law details, eligibility rules, court procedures, fiscal effects, and conflicts with existing statutes are not stated in the official summary and should be verified in the full bill text at Congress.gov before action.

→ Article I, Section 8, Clause 1 → Article I, Section 8, Clause 18 → Article III, Section 1 → Fifth Amendment Due Process

Article I, Section 8, Clause 1 Article I, Section 8, Clause 18 Article III, Section 1 Amendment V

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