Legislation: batch C — MO MS MT NC ND NE NH NJ NM NV

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/mt/2025/sb-535.md

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+---
+type: "Bill"
+title: "Revise laws related to experimental treatments"
+description: "Revise laws related to experimental treatments"
+jurisdiction: "us/states/mt"
+legislature: "Montana Legislature"
+session: "2025"
+identifier: "SB 535"
+citation: "Montana SB 535 (2025)"
+classification: ["bill"]
+subjects: ["Health", "Health Care Services", "Revenue", "State", "Rule Making", "Safety"]
+status: "enacted"
+primary_sponsors: ["Kenneth Bogner"]
+version_count: 47
+action_count: 52
+vote_count: 11
+first_action: "2024-11-04T15:05:39+00:00"
+last_action: "2025-05-16T16:23:31+00:00"
+source: "openstates"
+source_identifier: "ocd-bill/fbe2b18f-0450-4f11-aa01-c134958f2820"
+source_url: "https://bills.legmt.gov/#/laws/bill/2/LC0780?open_tab=sum"
+source_hash: "21b822795d5c7c9a1b8c59e7c6956cd133d31bc0030a422ec3c86881e0cc5187"
+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 SB 535 (2025) — Revise laws related to experimental treatments
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **LC0780.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=295986)
+2. **SB0535.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=300008)
+3. **SB0535.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=300009)
+4. **SB0535.002.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311833)
+5. **SB0535.002.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=312570)
+6. **SB0535.002.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313355)
+7. **SB0535.002.004_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=313398)
+8. **SB0535.002.005_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314399)
+9. **SB0535.002.006_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317716)
+10. **SB0535.002.006_combo_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314485)
+11. **SB0535_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296698)
+12. **SB0535_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304088)
+13. **SB0535_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304089)
+14. **SB0535_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304090)
+15. **SB0535_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304091)
+16. **SB0535_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296496)
+17. **SB0535_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304093)
+18. **SB0535_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314657)
+19. **SB0535_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314658)
+20. **SB0535_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304102)
+21. **SB0535_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304107)
+22. **SB0535_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304134)
+23. **SB0535_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304136)
+24. **SB0535_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=305395)
+25. **SB0535_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314581)
+26. **SB0535_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314655)
+27. **SB0535_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314656)
+28. **SB0535_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=304092)
+29. **SB0535_3(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314709)
+30. **SB0535_3(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317717)
+31. **SB0535_3(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=317821)
+32. **SB0535_3(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=318849)
+33. **SB0535_3(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=318855)
+34. **SB0535_3.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=314702)
+35. **SB0535_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=318860)
+36. **SB0535_X(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323047)
+37. **SB0535_X(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325006)
+38. **SB0535_X(12).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=325986)
+39. **SB0535_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=318861)
+40. **SB0535_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319425)
+41. **SB0535_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319432)
+42. **SB0535_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319433)
+43. **SB0535_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=319496)
+44. **SB0535_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321053)
+45. **SB0535_X(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323045)
+46. **SB0535_X(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=323046)
+47. **SB0535_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=318856)
+
+## Votes
+
+- Do Concur — **57–43** (pass) · lower
+- Do Pass — **29–21** (pass) · upper
+- Do Concur — **49–48** (pass) · lower
+- ReconsAction - Buttrey — **50–48** (pass) · lower
+- Do Pass — **41–9** (pass) · upper
+- Do Pass — **39–9** (pass) · upper
+- Do Concur — **50–50** (fail) · lower
+- do_pass_as_amended — **9–2** (pass) · upper
+- Cloture-Duram — **77–22** (pass) · lower
+- be_concurred_in_as_amended — **12–9** (pass) · lower
+- Do Pass — **26–24** (pass) · upper
+
+## Sponsors
+
+- Kenneth Bogner — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2024-11-04T15:05:39+00:00** (LC) Drafter Assigned
+- **2024-11-04T15:05:39+00:00** (LC) Draft On Hold
+- **2025-03-13T17:07:48+00:00** (LC) Draft Taken Off Hold
+- **2025-03-17T22:47:53+00:00** (LC) Draft in Legal Review
+- **2025-03-18T21:01:37+00:00** (LC) Draft in Edit
+- **2025-03-20T18:37:53+00:00** (LC) Draft in Input/Proofing
+- **2025-03-20T22:22:00+00:00** (LC) Draft in Final Drafter Review
+- **2025-03-20T22:56:19+00:00** (LC) Draft in Assembly
+- **2025-03-20T23:29:31+00:00** (LC) Draft Ready for Delivery
+- **2025-03-21T14:56:48+00:00** (LC) Draft Delivered to Requester
+- **2025-03-21T15:08:43+00:00** (S) Introduced
+- **2025-03-21T16:52:07+00:00** (S) Referred to Committee - (S) Public Health, Welfare and Safety `referral-committee`
+- **2025-03-21T17:44:52+00:00** (S) Fiscal Note Requested
+- **2025-03-21T23:15:58+00:00** (S) Hearing - (S) Public Health, Welfare and Safety
+- **2025-03-26T21:37:09+00:00** (S) Fiscal Note Received `receipt`
+- **2025-03-27T23:30:17+00:00** (S) Fiscal Note Unsigned
+- **2025-03-28T18:15:25+00:00** (S) Fiscal Note Printed
+- **2025-04-03T02:49:45+00:00** (S) Committee Executive Action--Bill Passed as Amended - (S) Public Health, Welfare and Safety `committee-passage`
+- **2025-04-03T20:43:00+00:00** (S) Committee Report--Bill Passed as Amended - (S) Public Health, Welfare and Safety `committee-passage`
+- **2025-04-04T20:42:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
+- **2025-04-04T21:04:00+00:00** (S) 2nd Reading Passed `reading-2, reading-2`
+- **2025-04-05T08:42:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
+- **2025-04-05T14:21:00+00:00** (S) 3rd Reading Passed `passage, reading-3`
+- **2025-04-05T16:50:19+00:00** (S) Transmitted to House
+- **2025-04-07T15:50:24+00:00** (H) Referred to Committee - (H) Human Services `referral-committee`
+- **2025-04-07T17:58:36+00:00** (S) Revised Fiscal Note Requested
+- **2025-04-07T19:50:36+00:00** (H) First Reading `reading-1`
+- **2025-04-07T20:37:54+00:00** (H) Hearing - (H) Human Services
+- **2025-04-10T23:31:24+00:00** (S) Revised Fiscal Note Received `receipt`
+- **2025-04-11T23:35:08+00:00** (S) Fiscal Note Unsigned
+- **2025-04-12T18:17:10+00:00** (S) Revised Fiscal Note Printed
+- **2025-04-22T19:25:33+00:00** (H) Committee Executive Action--Bill Concurred as Amended - (H) Human Services
+- **2025-04-23T00:53:00+00:00** (H) Committee Report--Bill Concurred as Amended - (H) Human Services
+- **2025-04-24T19:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
+- **2025-04-24T20:29:00+00:00** (H) 2nd Reading Concurred `reading-2, reading-2`
+- **2025-04-25T15:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
+- **2025-04-25T15:49:00+00:00** (H) 3rd Reading Failed `failure, failure, reading-3`
+- **2025-04-25T16:26:01+00:00** (H) Reconsidered Previous Action; Remains in 3rd Reading Process `reading-3`
+- **2025-04-25T16:45:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
+- **2025-04-25T16:52:00+00:00** (H) 3rd Reading Concurred `passage, reading-3`
+- **2025-04-25T17:25:16+00:00** (H) Returned to Senate with Amendments
+- **2025-04-28T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
+- **2025-04-28T19:37:00+00:00** (S) 2nd Reading House Amendments Concurred `amendment-amendment, amendment-passage, reading-2, reading-2`
+- **2025-04-29T16:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
+- **2025-04-29T18:15:00+00:00** (S) 3rd Reading Passed as Amended by House `passage, passage, reading-3, reading-3`
+- **2025-04-29T19:09:43+00:00** (S) Sent to Enrolling
+- **2025-04-30T19:49:55+00:00** (S) Returned from Enrolling
+- **2025-05-02T16:00:00+00:00** (S) Signed by President `passage`
+- **2025-05-05T19:00:51+00:00** (H) Signed by Speaker `passage`
+- **2025-05-05T19:55:00+00:00** (S) Transmitted to Governor `executive-receipt`
+- **2025-05-13T18:25:00+00:00** (S) Signed by Governor `executive-signature`
+- **2025-05-16T16:23:31+00:00** 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/fbe2b18f-0450-4f11-aa01-c134958f2820`. Confidence: reported (aggregated from official Montana legislature records).
+