TRANS MICE Act
H.R. 4512119th Congress

TRANS MICE Act

Introduced in the HouseRep. Nancy Mace (R-SC-1)11 sections · 1 min read
Version: Introduced in House · Jul 17, 2025

Section 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.

(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.

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