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Biological Sex Definitions: Male and Female in Federal Law

This new act aims to standardize the definitions of sex, male, and female in federal law, basing them on biological reproductive functions. It introduces a clear distinction between biological sex and gender identity, with gender identity not being recognized as a basis for identification in federal law. Citizens should be aware that these changes may affect how their sex is understood and applied in various federal regulations.
Key points
The act defines sex as an immutable biological classification (male or female) determined at conception.
Male is defined as a person with a reproductive system producing sperm, and female as a person with a system producing eggs.
Gender identity, understood as a subjective sense of self, will not be recognized by the federal government as a replacement for biological sex.
These definitions will apply to the interpretation of all acts of Congress and regulations and interpretations of federal agencies.
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Introduced
Citizen Poll
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Additional Information
Print number: 119_S_1147
Sponsor: Sen. Marshall, Roger [R-KS]
Process start date: 2025-03-26