---
type: "Bill"
title: "Tax credit; expanding forms of taxation for which a credit is allowed; clean-burning vehicle fuel; hydrogen fuel cells; effective date."
description: "Tax credit; expanding forms of taxation for which a credit is allowed; clean-burning vehicle fuel; hydrogen fuel cells; effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2026"
identifier: "HB 1427"
citation: "Oklahoma HB 1427 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Paxton", "Wilk"]
version_count: 11
action_count: 42
vote_count: 9
first_action: "2025-02-03"
last_action: "2026-03-23"
source: "openstates"
source_identifier: "ocd-bill/81ebe25c-a4f6-4faa-909f-50ec907fa1e3"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB1427&session=2600"
source_hash: "c2911ef681ae3a02bc60aa99c54cab74763817b49a9a2148bd1b79c152a7102a"
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-ok"]
---

# Oklahoma HB 1427 (2026) — Tax credit; expanding forms of taxation for which a credit is allowed; clean-burning vehicle fuel; hydrogen fuel cells; effective date.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 INT/hB/HB1427 INT.PDF)
2. **Amended And Engrossed** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 AMENDMENTS/Amendment and Engr/HB1427 SAHB AND ENGR.PDF)
3. **Engrossed** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENGR/hB/HB1427 ENGR.PDF)
4. **Enrolled (final version)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENR/hB/HB1427 ENR.PDF)
5. **Floor (House)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/HFLR/HB1427 HFLR.PDF)
6. **Floor (Senate)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/SFLR/HB1427 SFLR.PDF)
7. **HB1427 (3-04-26) (PAXTON) FS FA2 (2).PDF** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLOOR AMENDMENTS/Senate/HB1427 (3-04-26) (PAXTON) FS FA2 (2).PDF)
8. **HB1427 (4-30-25) (RADER) RT FA1.PDF** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLOOR AMENDMENTS/Senate/HB1427 (4-30-25) (RADER) RT FA1.PDF)
9. **House Committee Substitute** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB1427 CS.PDF)
10. **Proposed Committee Substitute (sub committee) 1** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE AMENDMENTS/House/HB1427 SUBPCS1 JONATHAN WILK-MAH.PDF)
11. **Sub Committee Recommendation** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB1427 SUBREC.PDF)

## Votes

- Reconsider — **27–15** (pass) · upper
- Appropriations And Budget Committee: Do Pass As Amended By Cs — **29–4** (pass) · lower
- Third Reading — **65–25** (pass) · lower
- Fourth Reading — **57–20** (pass) · lower
- Appropriations — **20–2** (pass) · upper
- Do Pass Amended — **7–2** (pass) · upper
- Appropriations And Budget Finance Subcommittee: Do Pass As Amended By Cs — **6–2** (pass) · lower
- Third Reading — **45–0** (pass) · upper
- Third Reading — **17–25** (fail) · upper

## Sponsors

- Paxton — primary (person)
- Wilk — primary (person)

## Timeline

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

- **2025-02-03** First Reading `introduction, reading-1`
- **2025-02-03** Authored by Representative Boles
- **2025-02-03** Remove Representative Boles as principal House author and substitute with Representative Wilk
- **2025-02-04** Second Reading referred to Appropriations and Budget `reading-2, referral-committee`
- **2025-02-04** Referred to Appropriations and Budget Finance Subcommittee `referral-committee`
- **2025-02-24** Recommendation to the full committee; Do Pass, amended by committee substitute Appropriations and Budget Finance Subcommittee `committee-passage`
- **2025-03-06** CR; Do Pass, amended by committee substitute Appropriations and Budget Committee `committee-passage`
- **2025-03-06** Coauthored by Representative(s) Boles
- **2025-03-06** Authored by Senator Rader (principal Senate author)
- **2025-03-06** Title stricken
- **2025-03-24** General Order
- **2025-03-24** Third Reading, Measure passed and Emergency failed: Ayes: 65 Nays: 25; Ayes: 65 Nays: 25 `passage, reading-3`
- **2025-03-24** Referred for engrossment
- **2025-03-25** Engrossed, signed, to Senate `passage`
- **2025-03-25** First Reading `introduction, reading-1`
- **2025-04-01** Second Reading referred to Energy Committee then to Appropriations Committee `reading-2, referral-committee`
- **2025-04-17** Reported Do Pass as amended Energy committee; CR filed `committee-passage`
- **2025-04-17** Enacting clause stricken
- **2025-04-17** Referred to Appropriations `referral-committee`
- **2025-04-23** Reported Do Pass Appropriations committee; CR filed `committee-passage`
- **2025-04-28** Placed on General Order
- **2025-05-07** General Order, Amended
- **2025-05-07** Title restored
- **2025-05-07** Enacting clause restored
- **2025-05-07** Measure failed: Ayes: 17 Nays: 25
- **2025-05-07** Notice served to reconsider vote on measure Rader
- **2025-05-08** Motion to reconsider vote adopted: Ayes: 27 Nays: 15
- **2025-05-08** Remains on Third Reading
- **2026-02-24** Remove as author Senator Rader; authored by Senator Paxton
- **2026-03-10** Backed up to General Order
- **2026-03-10** General Order, Amended by Floor Substitute
- **2026-03-10** Measure passed: Ayes: 45 Nays: 0 `passage`
- **2026-03-10** Referred for engrossment
- **2026-03-11** Engrossed to House `passage`
- **2026-03-11** SA's received
- **2026-03-12** SA's read, adopted
- **2026-03-12** Fourth Reading, Measure passed: Ayes: 57 Nays: 20 `passage`
- **2026-03-12** Referred for enrollment
- **2026-03-16** Enrolled, signed, to Senate
- **2026-03-16** Enrolled measure signed, returned to House
- **2026-03-16** Sent to Governor `executive-receipt`
- **2026-03-23** Becomes law without Governor's signature 03/22/2026 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/81ebe25c-a4f6-4faa-909f-50ec907fa1e3`. Confidence: reported (aggregated from official Oklahoma legislature records).