Text of US HB 4512 (2025)
TRANS MICE Act Transgender Research on Animals Now Stops and Money for Ideological Cruelty Eliminated Act
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As introduced
2,434 characters
I
119TH CONGRESS
1ST SESSION H. R. 4512
To prohibit the availability of Federal funds for certain animal research,
and for other purposes.
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.
Be it enacted by the Senate and House of Representa-
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tives of the United States of America in Congress assembled,
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SECTION 1. SHORT TITLE.
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This Act may be cited as the ‘‘Transgender Research
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on Animals Now Stops and Money for Ideological Cruelty
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Eliminated Act’’ or the ‘‘TRANS MICE Act’’.
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SEC. 2. PROHIBITION ON AVAILABILITY OF FEDERAL
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FUNDS FOR CERTAIN ANIMAL RESEARCH.
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(a) IN GENERAL.—Notwithstanding any other provi-
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sion of law, no Federal funds may be made available to
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conduct, support, or fund (directly or indirectly) any cov-
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ered research on a qualified animal.
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(b) DEFINITIONS.—In this section:
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(1) COVERED RESEARCH.—The term ‘‘covered
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research’’ means any research to study the effects of
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drugs, hormones, surgery, or other interventions to
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alter the body of a qualified animal to no longer cor-
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respond to the biological sex of such animal, includ-
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ing by—
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(A) disrupting the development of an ani-
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mal’s body;
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(B) inhibiting the natural functions of the
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animal’s body; or
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(C) modifying the physical appearance of
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an animal.
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(2) EXCEPTED ANIMAL.—The term ‘‘excepted
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animal’’ means any non-human vertebrate that—
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(A) changes sex during its lifetime; or
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(B) naturally possesses both male and fe-
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male reproductive organs.
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(3) QUALIFIED ANIMAL.—The term ‘‘qualified
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animal’’ means any non-human vertebrate species
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(other than excepted animals). Such term includes
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mammals, birds, fish, reptiles, and amphibians.
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