---
type: "Bill"
title: "Require interscholastic athletes to participate under sex assigned at birth"
description: "Require interscholastic athletes to participate under sex assigned at birth"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2021"
identifier: "HB 112"
citation: "Montana HB 112 (2021)"
classification: ["bill"]
subjects: ["Recreation/Parks/Sports", "Schools and Education"]
status: "enacted"
primary_sponsors: ["John Fuller"]
version_count: 7
action_count: 69
vote_count: 13
first_action: "2020-08-05"
last_action: "2021-05-07"
source: "openstates"
source_identifier: "ocd-bill/2b91d5d9-b4c0-4983-b4e0-5c5865ebacc3"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=112&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20211"
source_hash: "11ca30a33e430b4889f7a762d6a2aaa5e743485b488b3c2588c544f43334fa23"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-mt"]
---

# Montana HB 112 (2021) — Require interscholastic athletes to participate under sex assigned at birth

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **HB0112_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0112_1.pdf)
2. **HB0112_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0112_2.pdf)
3. **HB0112_3.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0112_3.pdf)
4. **HB0112_4.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0112_4.pdf)
5. **HB0112_5.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0112_5.pdf)
6. **HB0112_X.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0112_X.pdf)
7. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/HB0112.pdf)

## Votes

- Do Adopt — **60–39** (pass) · lower
- Do Pass As Amended — **62–38** (pass) · lower
- Do Pass — **61–38** (pass) · lower
- Do Adopt — **60–39** (pass) · lower
- BE CONCURRED IN — **7–4** (pass) · upper
- DO PASS AS AMENDED — **11–8** (pass) · lower
- Do Not Concur — **97–2** (pass) · lower
- AMD-001 Vinton D/PASS — **67–33** (pass) · lower
- Do Adopt — **27–23** (pass) · upper
- Do Concur As Amended — **29–21** (pass) · upper
- Do Adopt — **27–23** (pass) · upper
- Do Concur — **29–21** (pass) · upper
- AMD-002 Salomon D/PASS — **27–23** (pass) · upper

## Sponsors

- John Fuller — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2020-08-05** Draft Request Received
- **2020-11-25** Draft to Requester for Review
- **2020-12-03** Draft to Requester for Review
- **2020-12-15** Draft in Legal Review
- **2020-12-16** Draft in Edit
- **2020-12-22** Draft to Drafter - Edit Review
- **2020-12-22** Draft in Input/Proofing
- **2020-12-23** Draft in Final Drafter Review
- **2020-12-23** Bill Draft Text Available Electronically
- **2020-12-24** Executive Director Review
- **2020-12-24** Draft in Assembly
- **2020-12-30** Draft Ready for Delivery
- **2020-12-30** Executive Director Final Review
- **2020-12-31** Draft Ready for Delivery
- **2021-01-05** Introduced `introduction`
- **2021-01-05** Introduced Bill Text Available Electronically
- **2021-01-06** Referred to Committee - (H) Judiciary `referral-committee`
- **2021-01-06** First Reading - (H) Judiciary `reading-1`
- **2021-01-09** Amendments Available
- **2021-01-11** Hearing Canceled - (H) Judiciary
- **2021-01-18** Hearing - (H) Judiciary
- **2021-01-21** Committee Executive Action--Bill Passed as Amended - (H) Judiciary `committee-passage`
- **2021-01-21** Committee Report--Bill Passed as Amended - (H) Judiciary `committee-passage`
- **2021-01-22** Fiscal Note Requested
- **2021-01-25** Scheduled for 2nd Reading
- **2021-01-25** 2nd Reading Motion to Amend Carried
- **2021-01-25** 2nd Reading Passed as Amended `reading-2`
- **2021-01-27** Scheduled for 3rd Reading
- **2021-01-27** 3rd Reading Passed `passage, reading-3`
- **2021-01-27** Transmitted to Senate
- **2021-01-28** First Reading `reading-1`
- **2021-02-03** Fiscal Note Received
- **2021-02-03** Fiscal Note Signed
- **2021-02-03** Fiscal Note Printed
- **2021-02-17** Referred to Committee - (S) Judiciary `referral-committee`
- **2021-03-17** Hearing - (S) Judiciary
- **2021-03-18** Committee Executive Action--Bill Concurred - (S) Judiciary
- **2021-03-18** Committee Report--Bill Concurred - (S) Judiciary
- **2021-03-30** Scheduled for 2nd Reading
- **2021-03-30** 2nd Reading Motion to Amend Carried
- **2021-03-30** 2nd Reading Concurred as Amended `reading-2`
- **2021-03-30** Printed - New Version Available
- **2021-04-01** Scheduled for 3rd Reading
- **2021-04-01** 3rd Reading Concurred `passage, reading-3`
- **2021-04-01** Returned to House with Amendments
- **2021-04-12** Scheduled for 2nd Reading
- **2021-04-12** 2nd Reading Senate Amendments Not Concurred
- **2021-04-13** Conference Committee Appointed - (S) Conference
- **2021-04-14** Conference Committee Appointed - (S) Conference
- **2021-04-20** Hearing - (S) Conference
- **2021-04-20** Conference Committee Report Received - (S) Conference
- **2021-04-20** Committee Executive Action--Bill Concurred - (S) Conference
- **2021-04-21** Conference Committee Report Received - (S) Conference
- **2021-04-22** Scheduled for 2nd Reading
- **2021-04-22** Scheduled for 2nd Reading
- **2021-04-22** 2nd Reading Conference Committee Report Adopted `reading-2`
- **2021-04-22** 2nd Reading Conference Committee Report Adopted `reading-2`
- **2021-04-23** Scheduled for 3rd Reading
- **2021-04-23** 3rd Reading Conference Committee Report Adopted `reading-3`
- **2021-04-23** Scheduled for 3rd Reading
- **2021-04-23** 3rd Reading Conference Committee Report Adopted `reading-3`
- **2021-04-23** Sent to Enrolling
- **2021-04-27** Returned from Enrolling
- **2021-04-27** Printed - Enrolled Version Available
- **2021-05-04** Signed by Speaker
- **2021-05-04** Signed by President
- **2021-05-04** Transmitted to Governor `executive-receipt`
- **2021-05-07** Signed by Governor `executive-signature`
- **2021-05-07** Chapter Number Assigned `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2b91d5d9-b4c0-4983-b4e0-5c5865ebacc3`. Confidence: reported (aggregated from official Montana legislature records).