---
type: "Bill"
title: "Generally revise laws related to the legislature"
description: "Generally revise laws related to the legislature"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2021"
identifier: "HB 483"
citation: "Montana HB 483 (2021)"
classification: ["bill"]
subjects: ["Legislature"]
status: "enacted"
primary_sponsors: ["Casey Knudsen"]
version_count: 5
action_count: 66
vote_count: 11
first_action: "2020-11-10"
last_action: "2021-05-14"
source: "openstates"
source_identifier: "ocd-bill/d22ca5e6-6e27-406d-9bbf-7caf14676fa4"
source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=483&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20211"
source_hash: "be7352e44862fd709bd26f6482ca70ce480eb671db0a5ffa956d0b3a05f56500"
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 483 (2021) — Generally revise laws related to the legislature

## Version chain

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

1. **HB0483_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0499//HB0483_1.pdf)
2. **HB0483_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0499//HB0483_2.pdf)
3. **HB0483_3.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0499//HB0483_3.pdf)
4. **HB0483_X.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0499//HB0483_X.pdf)
5. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/HB0483.pdf)

## Votes

- Do Adopt — **31–19** (pass) · upper
- Do Adopt — **97–2** (pass) · lower
- BE CONCURRED IN AS AMENDED — **8–0** (pass) · upper
- Do Adopt — **31–19** (pass) · upper
- DO PASS — **16–0** (pass) · lower
- Do Adopt — **85–15** (pass) · lower
- Do Pass — **91–6** (pass) · lower
- Do Not Concur — **97–2** (pass) · lower
- Do Pass — **92–8** (pass) · lower
- Do Concur — **49–0** (pass) · upper
- Do Concur — **50–0** (pass) · upper

## Sponsors

- Casey Knudsen — primary (person)

## Timeline

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

- **2020-11-10** Draft Request Received
- **2021-02-12** Draft in Legal Review
- **2021-02-12** Draft in Edit
- **2021-02-14** Draft to Drafter - Edit Review
- **2021-02-15** Draft in Input/Proofing
- **2021-02-16** Draft in Final Drafter Review
- **2021-02-16** Bill Draft Text Available Electronically
- **2021-02-16** Executive Director Review
- **2021-02-16** Draft in Assembly
- **2021-02-16** Draft Ready for Delivery
- **2021-02-16** Executive Director Final Review
- **2021-02-17** Draft Ready for Delivery
- **2021-02-18** Draft Delivered to Requester
- **2021-02-18** Introduced `introduction`
- **2021-02-18** Fiscal Note Requested
- **2021-02-18** Referred to Committee - (H) State Administration `referral-committee`
- **2021-02-18** First Reading `reading-1`
- **2021-02-18** Introduced Bill Text Available Electronically
- **2021-02-23** Hearing - (H) State Administration
- **2021-02-23** Committee Executive Action--Bill Passed - (H) State Administration `committee-passage`
- **2021-02-23** Committee Report--Bill Passed - (H) State Administration `committee-passage`
- **2021-02-25** Scheduled for 2nd Reading
- **2021-02-25** 2nd Reading Pass Consideration
- **2021-02-26** Fiscal Note Received
- **2021-02-26** Fiscal Note Signed
- **2021-02-26** Fiscal Note Printed
- **2021-02-26** Scheduled for 2nd Reading
- **2021-02-26** 2nd Reading Passed `reading-2`
- **2021-02-27** Scheduled for 3rd Reading
- **2021-02-27** 3rd Reading Passed `passage, reading-3`
- **2021-02-27** Transmitted to Senate
- **2021-03-01** First Reading `reading-1`
- **2021-03-08** Referred to Committee - (S) State Administration `referral-committee`
- **2021-03-24** Hearing - (S) State Administration
- **2021-04-07** Amendments Available
- **2021-04-07** Committee Executive Action--Bill Concurred as Amended - (S) State Administration
- **2021-04-08** Committee Report--Bill Concurred as Amended - (S) State Administration
- **2021-04-08** Printed - New Version Available
- **2021-04-12** Scheduled for 2nd Reading
- **2021-04-12** 2nd Reading Concurred `reading-2`
- **2021-04-13** Scheduled for 3rd Reading
- **2021-04-13** 3rd Reading Concurred `passage, reading-3`
- **2021-04-13** Returned to House with Amendments
- **2021-04-22** Scheduled for 2nd Reading
- **2021-04-22** 2nd Reading Senate Amendments Not Concurred
- **2021-04-22** Free Conference Committee Appointed - (S) Free Conference
- **2021-04-23** Free Conference Committee Appointed - (S) Free Conference
- **2021-04-27** Revised Fiscal Note Requested
- **2021-04-27** Hearing - (S) Free Conference
- **2021-04-27** Free Conference Committee Report Received - (S) Free Conference
- **2021-04-27** Free Conference Committee Report Received - (S) Free Conference
- **2021-04-27** Scheduled for 2nd Reading
- **2021-04-27** 2nd Reading Free Conference Committee Report Adopted
- **2021-04-27** Scheduled for 2nd Reading
- **2021-04-27** Scheduled for 3rd Reading
- **2021-04-27** 2nd Reading Free Conference Committee Report Adopted
- **2021-04-27** 3rd Reading Free Conference Committee Report Adopted
- **2021-04-27** 3rd Reading Free Conference Committee Report Adopted
- **2021-04-28** Sent to Enrolling
- **2021-05-03** Returned from Enrolling
- **2021-05-03** Printed - Enrolled Version Available
- **2021-05-04** Signed by Speaker
- **2021-05-04** Signed by President
- **2021-05-04** Transmitted to Governor `executive-receipt`
- **2021-05-14** Signed by Governor `executive-signature`
- **2021-05-14** 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/d22ca5e6-6e27-406d-9bbf-7caf14676fa4`. Confidence: reported (aggregated from official Montana legislature records).