c5c7033001
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
117 lines
4.9 KiB
Markdown
117 lines
4.9 KiB
Markdown
---
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type: "Bill"
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title: "Generally revise firearms and weapons laws"
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description: "Generally revise firearms and weapons laws"
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jurisdiction: "us/states/mt"
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legislature: "Montana Legislature"
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session: "2021"
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identifier: "HB 504"
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citation: "Montana HB 504 (2021)"
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classification: ["bill"]
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subjects: ["Guns and Weapons"]
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status: "enacted"
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primary_sponsors: ["Casey Knudsen"]
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version_count: 4
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action_count: 53
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vote_count: 7
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first_action: "2020-12-02"
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last_action: "2021-05-14"
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source: "openstates"
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source_identifier: "ocd-bill/82203f76-e338-45f7-90ed-288c52f4b8bd"
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source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=504&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20211"
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source_hash: "f7c6b17272385056a2c4f4788064e3ad5809c837f4a42cb2de37943b4bd78a50"
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vintage: "2026-07-01"
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source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
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retrieved_at: "2026-07-06"
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confidence: "reported"
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tags: ["legislation", "bill", "us-mt"]
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---
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# Montana HB 504 (2021) — Generally revise firearms and weapons laws
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## Version chain
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The bill's text revisions, in order — the diff chain from filing to enrollment.
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1. **HB0504_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0599//HB0504_1.pdf)
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2. **HB0504_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0599//HB0504_2.pdf)
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3. **HB0504_X.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0599//HB0504_X.pdf)
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4. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/HB0504.pdf)
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## Votes
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- DO PASS — **12–7** (pass) · lower
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- Do Concur — **70–28** (pass) · lower
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- Do Concur — **32–18** (pass) · upper
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- Do Concur — **79–21** (pass) · lower
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- Do Pass — **70–30** (pass) · lower
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- Do Concur — **33–17** (pass) · upper
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- Do Pass — **67–32** (pass) · lower
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## Sponsors
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- Casey Knudsen — primary (person)
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## Timeline
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The legislative action history — every referral, reading, and vote.
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- **2020-12-02** Draft Request Received
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- **2021-01-22** Draft On Hold
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- **2021-02-11** Draft Taken Off Hold
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- **2021-02-11** Draft to Requester for Review
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- **2021-02-15** Draft to Requester for Review
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- **2021-02-15** Draft in Legal Review
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- **2021-02-16** Draft in Edit
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- **2021-02-17** Draft to Drafter - Edit Review
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- **2021-02-18** Draft in Input/Proofing
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- **2021-02-18** Draft in Final Drafter Review
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- **2021-02-18** Bill Draft Text Available Electronically
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- **2021-02-18** Executive Director Review
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- **2021-02-18** Draft in Assembly
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- **2021-02-18** Draft Ready for Delivery
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- **2021-02-18** Executive Director Final Review
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- **2021-02-19** Draft Ready for Delivery
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- **2021-02-19** Draft Delivered to Requester
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- **2021-02-19** Introduced `introduction`
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- **2021-02-19** Introduced Bill Text Available Electronically
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- **2021-02-19** Referred to Committee - (H) Judiciary `referral-committee`
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- **2021-02-19** First Reading `reading-1`
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- **2021-02-22** Hearing - (H) Judiciary
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- **2021-02-22** Committee Executive Action--Bill Passed - (H) Judiciary `committee-passage`
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- **2021-02-23** Committee Report--Bill Passed - (H) Judiciary `committee-passage`
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- **2021-03-01** Scheduled for 2nd Reading
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- **2021-03-01** 2nd Reading Passed `reading-2`
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- **2021-03-02** Scheduled for 3rd Reading
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- **2021-03-02** 3rd Reading Passed `passage, reading-3`
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- **2021-03-02** Transmitted to Senate
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- **2021-03-08** First Reading `reading-1`
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- **2021-03-08** Referred to Committee - (S) Judiciary `referral-committee`
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- **2021-03-16** Hearing - (S) Judiciary
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- **2021-03-16** Amendments Available
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- **2021-03-19** Committee Executive Action--Bill Concurred as Amended - (S) Judiciary
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- **2021-03-19** Committee Report--Bill Concurred as Amended - (S) Judiciary
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- **2021-03-19** Printed - New Version Available
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- **2021-04-14** Scheduled for 2nd Reading
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- **2021-04-14** 2nd Reading Concurred `reading-2`
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- **2021-04-15** Scheduled for 3rd Reading
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- **2021-04-15** 3rd Reading Concurred `passage, reading-3`
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- **2021-04-15** Returned to House with Amendments
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- **2021-04-23** Scheduled for 2nd Reading
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- **2021-04-23** 2nd Reading Senate Amendments Concurred `amendment-amendment, amendment-passage, reading-2`
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- **2021-04-26** Scheduled for 3rd Reading
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- **2021-04-26** 3rd Reading Passed as Amended by Senate `passage, reading-3`
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- **2021-04-26** Sent to Enrolling
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- **2021-05-01** Returned from Enrolling
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- **2021-05-01** Printed - Enrolled Version Available
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- **2021-05-04** Signed by Speaker
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- **2021-05-04** Signed by President
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- **2021-05-04** Transmitted to Governor `executive-receipt`
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- **2021-05-14** Signed by Governor `executive-signature`
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- **2021-05-14** Chapter Number Assigned `became-law`
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## Source
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OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/82203f76-e338-45f7-90ed-288c52f4b8bd`. Confidence: reported (aggregated from official Montana legislature records).
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