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TRANS MICE Act

In committee: it can still change before the session ends.

US HR 4512 · House Bill · 119th Congress

Stage
In committee
Started in
House
Sponsors
7
Latest action
Jul 17, 2025

What it does

The TRANS MICE Act would prohibit the use of federal funds to conduct, support, or fund research that alters the biological sex of non-human vertebrate animals through drugs, hormones, surgery, or other interventions, including disrupting development, inhibiting natural functions, or modifying physical appearance. The ban applies to all non-human vertebrates except those that naturally change sex during their lifetime or possess both male and female reproductive organs (such as certain fish or amphibians). The bill specifically targets research involving mammals, birds, fish, reptiles, and amphibians that do not fall under the excepted categories. It was introduced in the House and referred…

AI summary · The lawmakers haven’t published an official summary of this bill yet, so 52 wrote this one from the bill’s text.

Read the full textRead it on the official site

Where it stands

  1. Introduced (Done)

    Jul 17, 2025

  2. Committee (Current step)

    In committee · Jul 17, 2025

  3. Floor (Not started)

  4. Law (Not started)

What moved

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Who is involved

Sponsors

The lawmakers who put their names on it, lead sponsors first.

In the news

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Where it goes next

While a bill can still move, the questions are about people and money.

Work with this bill

TRANS MICE Act | 52