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/2021/hb-170.md

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+---
+type: "Bill"
+title: "Revise laws to include renewable hydrogen"
+description: "Revise laws to include renewable hydrogen"
+jurisdiction: "us/states/mt"
+legislature: "Montana Legislature"
+session: "2021"
+identifier: "HB 170"
+citation: "Montana HB 170 (2021)"
+classification: ["bill"]
+subjects: ["Energy", "Revenue", "State", "Rule Making"]
+status: "enacted"
+primary_sponsors: ["Tom Welch"]
+version_count: 4
+action_count: 50
+vote_count: 6
+first_action: "2020-11-08"
+last_action: "2021-04-29"
+source: "openstates"
+source_identifier: "ocd-bill/4939fc8d-3e13-4c07-abac-ec80f2a15b78"
+source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=170&P_BLTP_BILL_TYP_CD=HB&Z_ACTION=Find&P_SESS=20211"
+source_hash: "05875ec1838b3f19c8567b652c78b90751492f50068e283d249d0588befedcfe"
+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 170 (2021) — Revise laws to include renewable hydrogen
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **HB0170_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0170_1.pdf)
+2. **HB0170_2.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0170_2.pdf)
+3. **HB0170_X.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/HB0199//HB0170_X.pdf)
+4. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/HB0170.pdf)
+
+## Votes
+
+- Do Concur — **48–2** (pass) · upper
+- Do Pass — **84–15** (pass) · lower
+- Do Pass — **89–11** (pass) · lower
+- Do Concur — **47–3** (pass) · upper
+- DO PASS AS AMENDED — **16–2** (pass) · lower
+- BE CONCURRED IN — **12–1** (pass) · upper
+
+## Sponsors
+
+- Tom Welch — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2020-11-08** Draft Request Received
+- **2020-11-20** Draft to Requester for Review
+- **2020-12-30** Draft in Legal Review
+- **2021-01-02** Draft in Edit
+- **2021-01-05** Draft to Drafter - Edit Review
+- **2021-01-05** Draft in Input/Proofing
+- **2021-01-05** Draft in Final Drafter Review
+- **2021-01-05** Bill Draft Text Available Electronically
+- **2021-01-06** Executive Director Review
+- **2021-01-06** Draft in Assembly
+- **2021-01-06** Draft Ready for Delivery
+- **2021-01-06** Executive Director Final Review
+- **2021-01-06** Draft Ready for Delivery
+- **2021-01-13** Draft Delivered to Requester
+- **2021-01-15** Introduced `introduction`
+- **2021-01-15** Fiscal Note Requested
+- **2021-01-15** Introduced Bill Text Available Electronically
+- **2021-01-15** Referred to Committee - (H) Taxation `referral-committee`
+- **2021-01-15** First Reading `reading-1`
+- **2021-01-21** Fiscal Note Received
+- **2021-01-22** Fiscal Note Signed
+- **2021-01-22** Fiscal Note Printed
+- **2021-01-26** Hearing - (H) Taxation
+- **2021-02-08** Amendments Available
+- **2021-02-18** Committee Executive Action--Bill Passed as Amended - (H) Taxation `committee-passage`
+- **2021-02-18** Committee Report--Bill Passed as Amended - (H) Taxation `committee-passage`
+- **2021-02-18** Printed - New Version Available
+- **2021-03-11** Scheduled for 2nd Reading
+- **2021-03-11** 2nd Reading Passed `reading-2`
+- **2021-03-12** Scheduled for 3rd Reading
+- **2021-03-12** 3rd Reading Passed `passage, reading-3`
+- **2021-03-12** Transmitted to Senate
+- **2021-03-15** First Reading `reading-1`
+- **2021-03-15** Referred to Committee - (S) Energy and Telecommunications `referral-committee`
+- **2021-03-23** Hearing - (S) Energy and Telecommunications
+- **2021-03-30** Committee Executive Action--Bill Concurred - (S) Energy and Telecommunications
+- **2021-03-31** Committee Report--Bill Concurred - (S) Energy and Telecommunications
+- **2021-04-06** Scheduled for 2nd Reading
+- **2021-04-06** 2nd Reading Concurred `reading-2`
+- **2021-04-07** Scheduled for 3rd Reading
+- **2021-04-07** 3rd Reading Concurred `passage, reading-3`
+- **2021-04-07** Returned to House
+- **2021-04-08** Sent to Enrolling
+- **2021-04-14** Returned from Enrolling
+- **2021-04-14** Printed - Enrolled Version Available
+- **2021-04-20** Signed by Speaker
+- **2021-04-21** Signed by President
+- **2021-04-22** Transmitted to Governor `executive-receipt`
+- **2021-04-28** Signed by Governor `executive-signature`
+- **2021-04-29** 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/4939fc8d-3e13-4c07-abac-ec80f2a15b78`. Confidence: reported (aggregated from official Montana legislature records).
+