H.R. 4512

Summary

H.R. 4512, the TRANS MICE Act, was introduced in the House on Jul 17, 2025 by Rep. Nancy Mace (R) with 6 co-sponsors. It was referred to Science, Space, And Technology, and last saw action on Jul 17, 2025: Referred to the House Committee on Science, Space, and Technology.

Record

Text

H.R. 4512 has 6 co-sponsors.

119 HR 4512 IH: Transgender Research on Animals Now Stops and Money for Ideological Cruelty Eliminated Act
 U.S. House of Representatives
 2025-07-17
 text/xml
 EN
 Pursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.
 I  119th CONGRESS  1st Session  H. R. 4512  IN THE HOUSE OF REPRESENTATIVES   July 17, 2025   Ms. Mace  (for herself,  Mr. Gosar ,  Mr. Gill of Texas , and  Ms. Boebert ) introduced the following bill; which was referred to the  Committee on Science, Space, and Technology    A BILL
To prohibit the availability of Federal funds for certain animal research, and for other purposes.
1.
Short title
This Act may be cited as the   Transgender Research on Animals Now Stops and Money for Ideological Cruelty Eliminated Act   or the   TRANS MICE Act  .
2.
Prohibition on availability of Federal funds for certain animal research
(a)
In general
Notwithstanding any other provision of law, no Federal funds may be made available to conduct, support, or fund (directly or indirectly) any covered research on a qualified animal.
(b)
Definitions
In this section:
(1)
Covered research
The term  covered research  means any research to study the effects of drugs, hormones, surgery, or other interventions to alter the body of a qualified animal to no longer correspond to the biological sex of such animal, including by—
(A)
disrupting the development of an animal’s body;
(B)
inhibiting the natural functions of the animal’s body; or
(C)
modifying the physical appearance of an animal.
(2)
Excepted animal
The term  excepted animal  means any non-human vertebrate that—
(A)
changes sex during its lifetime; or
(B)
naturally possesses both male and female reproductive organs.
(3)
Qualified animal
The term  qualified animal  means any non-human vertebrate species (other than excepted animals). Such term includes mammals, birds, fish, reptiles, and amphibians.

Tracker

The tracker indicates the progress of this legislation as it moves through the legislative process.

To prohibit the availability of Federal funds for certain animal research, and for other purposes.

Sponsors

Rep. Nancy Mace (R) sponsors H.R. 4512, and 6 members have co-sponsored it, 3 of them from the day it was introduced.

Nancy Mace

Rep. · R–SC-1 · Sponsor

Introduced Jul 17, 2025

Lauren Boebert

Rep. · R–CO-4 · Co-sponsor

Joined Jul 17, 2025 · Original

Brandon Gill

Rep. · R–TX-26 · Co-sponsor

Joined Jul 17, 2025 · Original

Paul Gosar

Rep. · R–AZ-9 · Co-sponsor

Joined Jul 17, 2025 · Original

Tim Burchett

Rep. · R–TN-2 · Co-sponsor

Joined Sep 2, 2025

Scott Perry

Rep. · R–PA-10 · Co-sponsor

Joined Sep 2, 2025

Blake Moore

Rep. · R–UT-1 · Co-sponsor

Joined May 21, 2026

Show 7 of 7 rows

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Committees

H.R. 4512 went before 1 committee: Science, Space, and Technology.

Science, Space, and Technology

Science, Space, and Technology

Referred To · Jul 17, 2025 · 178 Bills

Actions

H.R. 4512 has taken 2 actions since Jul 17, 2025.

Votes

H.R. 4512 has not gone to a roll call.

Titles

H.R. 4512 goes by 4 titles, 2 of them short titles.

• TRANS MICE Act — Display Title
• TRANS MICE Act — Short Title(s) as Introduced
• Transgender Research on Animals Now Stops and Money for Ideological Cruelty Eliminated Act — Short Title(s) as Introduced
• To prohibit the availability of Federal funds for certain animal research, and for other purposes. — Official Title as Introduced

Lobbying

2 clients hired 2 firms and 4 registered lobbyists who named H.R. 4512 in 9 quarterly filings, 2025 to 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.

Filed under Animals, Budget/Appropriations, Civil Rights/Civil Liberties, Defense, Education, Family issues/Abortion/Adoption, Foreign Relations, Health Issues.

Clients

Who paid to be heard, by how many filings named the bill.

Firms

Registrants who filed on the bill, by filings.

Lobbyists

Named on the filings that cite the bill.

Filings

The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.

Classification

The Congressional Research Service files H.R. 4512 under Science, Technology, Communications, one of its 31 policy areas, and gives it 3 legislative subjects.

CRS Subjects

CRS assigns every bill one policy area from its 31; H.R. 4512’s is Science, Technology, Communications.

Legislative Subjects

H.R. 4512 carries 3 of CRS’s legislative subjects, from Animal protection and human-animal relationships to Sex and reproductive health.

Constitutional authority

The clause the sponsor cites as Congress’s power to enact H.R. 4512, as entered in the Congressional Record.

[Congressional Record Volume 171, Number 123 (Thursday, July 17, 2025)][House]From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]By Ms. MACE:H.R. 4512.Congress has the power to enact this legislation pursuantto the following:Article I, Section 8 of the Constitution[Page H3476]

Source: congress.gov · legiscan.com