104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026 HB4030 Introduced , by Rep. David Friess SYNOPSIS AS INTRODUCED: New Act Creates the Definitions of Sex-Based Terms Act. Defines, for purposes of State statutes and administrative rules, the meaning of the following terms: "boy", "father", "female", "girl", "male", "man", "mother", "sex", and "woman". LRB104 12898 BDA 24397 b A BILL FOR 104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026 HB4030 Introduced , by Rep. David Friess SYNOPSIS AS INTRODUCED: New Act New Act Creates the Definitions of Sex-Based Terms Act. Defines, for purposes of State statutes and administrative rules, the meaning of the following terms: "boy", "father", "female", "girl", "male", "man", "mother", "sex", and "woman". LRB104 12898 BDA 24397 b LRB104 12898 BDA 24397 b A BILL FOR
104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026 HB4030 Introduced , by Rep. David Friess SYNOPSIS AS INTRODUCED:
New Act New Act
New Act
Creates the Definitions of Sex-Based Terms Act. Defines, for purposes of State statutes and administrative rules, the meaning of the following terms: "boy", "father", "female", "girl", "male", "man", "mother", "sex", and "woman".
LRB104 12898 BDA 24397 b LRB104 12898 BDA 24397 b
LRB104 12898 BDA 24397 b
A BILL FOR
HB4030LRB104 12898 BDA 24397 b HB4030 LRB104 12898 BDA 24397 b
HB4030 LRB104 12898 BDA 24397 b
1 AN ACT concerning government.
2 Be it enacted by the People of the State of Illinois,
3 represented in the General Assembly:
4 Section 1. Short title. This Act may be cited as the
5 Definitions of Sex-Based Terms Act.
6 Section 5. Purpose; application; findings.
7 (a) The purpose of this Act is to bring clarity,
8 certainty, and uniformity to the laws of the State regarding
9 sex discrimination, privacy, equality of the sexes, and
10 benefits or services specifically provided to males and to
11 females.
12 (b) This Act shall apply wherever the State or an
13 instrumentality of the State classifies people on the basis of
14 sex or otherwise defines people as being female or male, women
15 or men, girls or boys.
16 (c) The General Assembly finds that:
17 (1) males and females are legally equal, but they are
18 not the same;
19 (2) males and females possess unique and immutable
20 biological differences that manifest prior to birth and
21 increase as they age and experience puberty;
22 (3) these unique and immutable biological differences
23 mean that females and males are not similarly situated in
104TH GENERAL ASSEMBLY
State of Illinois
2025 and 2026 HB4030 Introduced , by Rep. David Friess SYNOPSIS AS INTRODUCED:
New Act New Act
New Act
Creates the Definitions of Sex-Based Terms Act. Defines, for purposes of State statutes and administrative rules, the meaning of the following terms: "boy", "father", "female", "girl", "male", "man", "mother", "sex", and "woman".
LRB104 12898 BDA 24397 b LRB104 12898 BDA 24397 b
LRB104 12898 BDA 24397 b
A BILL FOR
New Act
LRB104 12898 BDA 24397 b
HB4030 LRB104 12898 BDA 24397 b
HB4030- 2 -LRB104 12898 BDA 24397 b HB4030 - 2 - LRB104 12898 BDA 24397 b
HB4030 - 2 - LRB104 12898 BDA 24397 b
1 all circumstances and are not interchangeable; and
2 (4) inconsistencies in court rulings and policy
3 initiatives regarding sex discrimination and common
4 sex-based words have endangered women's rights and
5 resources and have put the existence of private,
6 single-sex spaces in jeopardy, thereby necessitating
7 clarification of certain terms used in State law.
8 Section 10. Definitions of terms used in State statutes
9 and administrative rules. In determining the meaning of any
10 statute or of any rule, regulation, or interpretation of the
11 various administrative agencies of this State:
12 "Boy" means a human male who is a legal minor under the
13 laws of Illinois, provided that the use of "boy" in reference
14 to the participation of a high-school-aged individual in a
15 school or extracurricular program shall not be understood to
16 exclude the participation of a student who is legally an
17 adult.
18 "Father" means a male parent of a child or children as
19 defined in Illinois law.
20 "Female" means, when this term is used in reference to a
21 natural person, an individual who naturally has, had, will
22 have through the course of normal development, or would have
23 but for a developmental anomaly, genetic anomaly, or accident
24 the reproductive system that at some point produces ova.
25 "Girl" means a human female who is a legal minor under the
HB4030 - 2 - LRB104 12898 BDA 24397 b
HB4030- 3 -LRB104 12898 BDA 24397 b HB4030 - 3 - LRB104 12898 BDA 24397 b
HB4030 - 3 - LRB104 12898 BDA 24397 b
1 laws of Illinois, provided that the use of "girl" in reference
2 to the participation of a high-school-aged individual in a
3 school or extracurricular program shall not be understood to
4 exclude the participation of a student who is legally an
5 adult.
6 "Male" means, when this term is used in reference to a
7 natural person, an individual who naturally has, had, will
8 have through the course of normal development, or would have
9 but for a developmental anomaly, genetic anomaly, or accident
10 the reproductive system that at some point produces sperm.
11 "Man" means an adult human of the male sex.
12 "Mother" means a female parent of a child or children as
13 defined in Illinois law.
14 "Sex" means, when this term is used to classify or
15 describe a natural person, the state of being either male or
16 female as observed or clinically verified at birth. "Sex"
17 includes only 2 sexes, and every individual is either male or
18 female, and individuals with congenital and medically
19 verifiable differences in sex development, disorders in sex
20 development, or intersex conditions, are not members of a
21 third sex and must be accommodated consistent with State and
22 federal law. "Sex" does not include "gender identity" or any
23 other term intended to convey a person's subjective sense of
24 self; "gender identity" and other subjective terms are not
25 synonyms or substitutes for "sex".
26 "Woman" means an adult human of the female sex.
HB4030 - 3 - LRB104 12898 BDA 24397 b
HB4030- 4 -LRB104 12898 BDA 24397 b HB4030 - 4 - LRB104 12898 BDA 24397 b
HB4030 - 4 - LRB104 12898 BDA 24397 b
1 Section 97. Severability. The provisions of this Act are
2 severable under Section 1.31 of the Statute on Statutes.
HB4030 - 4 - LRB104 12898 BDA 24397 b