Wisconsin AB104: An Act to amend 441.07 (2), 448.02 (6), 448.02 (9) (intro.) and 448.978 (2) (intro.); to create 146.36, 441.07 (1j), 448.02 (3m) and 448.978 (1v) of the statutes; Relating to: prohibiting gender transition medical intervention for individuals under 18 years of age.

What the bill says

An Act to amend 441.07 (2), 448.02 (6), 448.02 (9) (intro.) and 448.978 (2) (intro.); to create 146.36, 441.07 (1j), 448.02 (3m) and 448.978 (1v) of the statutes; relating to: prohibiting gender transition medical intervention for individuals under 18 years of age.

From the enrolled text, February 16, 2026:

An Act to amend 441.07 (2), 448.02 (6), 448.02 (9) (intro.) and 448.978 (2) (intro.); to create 146.36, 441.07 (1j), 448.02 (3m) and 448.978 (1v) of the statutes; relating to: prohibiting gender transition medical intervention for individuals under 18 years of age. The people of the state of Wisconsin, represented in senate and assembly, do enact as follows: AB104,1Section 1. 146.36 of the statutes is created to read: 146.36 Gender transition medical intervention. (1) Definitions. In this section: (a) "Biological sex" means the biological state of being female or male based on sex organs, chromosomes, and endogenous hormone profiles. (b) "Health care provider" has the meaning given in s. 146.81 (1) (a) to (hp). (c) "Minor" means an individual who is under 18 years of age. (2) Prohibition. A health care provider may not engage in, cause the engagement in, or make a referral for, any of the following practices upon a minor for the purpose of changing the minor's body to correspond to a sex that is discordant with the minor's biological sex: (a) Performing a surgery that sterilizes an individual, including castration, vasectomy, hysterectomy, oophorectomy, metoidioplasty, orchiectomy, penectomy, phalloplasty, and vaginoplasty. (b) Performing a mastectomy. (c) Administering, prescribing, or supplying any of the following medications: 1. Puberty-blocking drugs to stop or delay normal puberty. 2. Supraphysiologic doses of …

Read the full official text

Sponsors

• Allen, Scott (R, HD-082) · primary sponsor
• Vos, Robin (R, HD-033)
• Behnke, Elijah (R, HD-006)
• Brill, Lindee (R, HD-027)
• Brooks, Robert (R, HD-059)
• Callahan, Calvin (R, HD-035)
• Dittrich, Barbara (R, HD-099)
• Goeben, Joy (R, HD-005)
• Green, Chanz (R, HD-074)
• Gundrum, Rick (R, HD-058)
• Hurd, Karen (R, HD-069)
• Jacobson, Brent (R, HD-087)

Latest actions

1. May 13, 2026: Failed to pass notwithstanding the objections of the Governor pursuant to Joint Rule 82
2. May 12, 2026: Placed on calendar 5-12-2026 pursuant to Joint Rule 82 (2)(a)
3. March 31, 2026: Report vetoed by the Governor on 3-31-2026
4. March 26, 2026: Presented to the Governor on 3-26-2026
5. February 16, 2026: Report correctly enrolled on 2-16-2026
6. February 16, 2026: LRB correction
7. February 12, 2026: Received from Senate concurred in
8. February 11, 2026: Ordered immediately messaged
9. February 11, 2026: Read a third time and concurred in, Ayes 18, Noes 15
10. February 11, 2026: Rules suspended to give bill its third reading

Votes

• CONCURRENCE (February 11, 2026): 18 yea, 15 nay, passed
• PASSAGE (March 20, 2025): 50 yea, 43 nay, passed

Common questions

What is AB104?

AB104 is a bill in the Wisconsin Legislature (2025-2026 Regular Session): An Act to amend 441.07 (2), 448.02 (6), 448.02 (9) (intro.) and 448.978 (2) (intro.); to create 146.36, 441.07 (1j), 448.02 (3m) and 448.978 (1v) of the statutes; Relating to: prohibiting gender transition medical intervention for individuals under 18 years of age.

What does AB104 do?

In its own words: An Act to amend 441.07 (2), 448.02 (6), 448.02 (9) (intro.) and 448.978 (2) (intro.); to create 146.36, 441.07 (1j), 448.02 (3m) and 448.978 (1v) of the statutes; relating to: prohibiting gender transition medical intervention for individuals under 18 years of age.

What is the status of AB104?

Vetoed as of May 13, 2026. Latest action: Failed to pass notwithstanding the objections of the Governor pursuant to Joint Rule 82 (May 13, 2026).

Who sponsored AB104?

Allen, Scott (R, HD-082), with 11 co-sponsors.

Where is the official record for AB104?

On the Wisconsin Legislature website: https://docs.legis.wisconsin.gov/2025/proposals/ab104