SB 458: Define sex in Montana law
Precludes legal recognition of transgender people and those with intersex conditions by defining 'sex' based on reproductive systems.
Became Law
β
Proposed
Introduced
Feb 22
β
1st Cmte.
Advanced
Feb 27
β
Senate
Passed Senate
Mar 17
β
House
Passed House
Apr 21
β
Reconcil.
Reconciled
Apr 27
β
Gov.
Signed
May 19
Sponsor:
π Bill text
π΅ Fiscal note
π Legal note
None on file
π Proposed amendments
See also: The official bill page.
Montana Free Press coverage
MTFP stories involving the bill
π° Health Care
Bill defining βsexβ as binary becomes law
May 22, 2023 β’ Mara Silvers
π° 2023 Legislature
Gianforteβs son one of many lobbying governor against trans bills
Apr 26, 2023 β’ Mara Silvers
π° 2023 Legislature
Tension builds in transgender policy debate
Apr 21, 2023 β’
π° 2023 Legislature
House Speaker Matt Regier refuses to recognize Rep. Zooey Zephyr on floor until she apologizes
Apr 20, 2023 β’ Arren Kimbel-Sannit
π° 2023 Legislature
Senate Judiciary Committee approves amended drag ban
Apr 14, 2023 β’ Mara Silvers
π° 2023 Legislature
Where LGBTQ+ bills stand in the Montana Legislature
Apr 3, 2023 β’ Mara Silvers
π° 2023 Legislature
State could lose βany, all or noneβ of $7.5 billion federal special revenue authority if βsexβ definition is enacted
Mar 27, 2023 β’ Arren Kimbel-Sannit
π° 2023 Legislature
Bill to define sex based on reproductive function passed by Senate
Mar 21, 2023 β’ Mara Silvers
π° 2023 Legislature
Bill to define βsexβ clears first major Senate vote
Mar 15, 2023 β’ Mara Silvers
π° 2023 Legislature
Bill creates strict definition for βsex,β legally sidelining intersex and transgender people
Feb 28, 2023 β’ Mara Silvers

Legislative actions
How bills move through the Legislature
Showing major bill actions only.
Date | Action |
---|---|
Feb 22 | Introduced |
Feb 22 | Referred to Committee |
Feb 22 | First Reading |
Feb 27 | Committee Executive Action--Bill Passed as Amended |