---
type: "Bill"
title: "Taxes; gross production tax; requiring certain completion methods for specific exemptions; effective date."
description: "Taxes; gross production tax; requiring certain completion methods for specific exemptions; effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2026"
identifier: "HB 3986"
citation: "Oklahoma HB 3986 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Caldwell (Trey)", "Thompson (Kristen)"]
version_count: 7
action_count: 25
vote_count: 5
first_action: "2026-02-02"
last_action: "2026-05-12"
source: "openstates"
source_identifier: "ocd-bill/b42920fb-d2c0-4f59-9916-1e911a3aee22"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB3986&session=2600"
source_hash: "21bdc01815ea934507af582d85461bc66fe30a9a8431ef8093ff7546bfc43e9b"
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 3986 (2026) — Taxes; gross production tax; requiring certain completion methods for specific exemptions; 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/HB3986 INT.PDF)
2. **Engrossed** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENGR/hB/HB3986 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENR/hB/HB3986 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/HFLR/HB3986 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/SFLR/HB3986 SFLR.PDF)
6. **House Committee Substitute** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB3986 CS.PDF)
7. **Proposed Committee Substitute (full committee) 1** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE AMENDMENTS/House/HB3986 FULLPCS1 TREY CALDWELL-MKS.PDF)

## Votes

- Do Pass — **10–1** (pass) · upper
- Do Pass — **10–0** (pass) · upper
- Third Reading — **81–11** (pass) · lower
- Third Reading — **40–5** (pass) · upper
- Appropriations And Budget Committee: Do Pass As Amended By Cs — **27–1** (pass) · lower

## Sponsors

- Caldwell (Trey) — primary (person)
- Thompson (Kristen) — primary (person)

## Timeline

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

- **2026-02-02** First Reading `introduction, reading-1`
- **2026-02-02** Authored by Representative Caldwell (Trey)
- **2026-02-03** Second Reading referred to Rules `reading-2, referral-committee`
- **2026-02-18** Withdrawn from Rules Committee
- **2026-02-18** Referred to Appropriations and Budget `referral-committee`
- **2026-02-25** CR; Do Pass, amended by committee substitute Appropriations and Budget Committee `committee-passage`
- **2026-02-25** Authored by Senator Thompson (principal Senate author)
- **2026-03-24** General Order
- **2026-03-24** Third Reading, Measure passed: Ayes: 81 Nays: 11 `passage, reading-3`
- **2026-03-24** Referred for engrossment
- **2026-03-25** Engrossed, signed, to Senate `passage`
- **2026-03-25** First Reading `introduction, reading-1`
- **2026-04-01** Second Reading referred to Energy Committee then to Revenue and Taxation Committee `reading-2, referral-committee`
- **2026-04-09** Reported Do Pass Energy committee; CR filed `committee-passage`
- **2026-04-09** Referred to Revenue and Taxation `referral-committee`
- **2026-04-13** Reported Do Pass Revenue and Taxation committee; CR filed `committee-passage`
- **2026-04-15** Placed on General Order
- **2026-05-05** General Order, Considered
- **2026-05-05** Measure passed: Ayes: 40 Nays: 5 `passage`
- **2026-05-05** Engrossed measure signed, returned to House `passage`
- **2026-05-05** Referred for enrollment
- **2026-05-06** Enrolled, signed, to Senate
- **2026-05-06** Enrolled measure signed, returned to House
- **2026-05-06** Sent to Governor `executive-receipt`
- **2026-05-12** Approved by Governor 05/12/2026 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b42920fb-d2c0-4f59-9916-1e911a3aee22`. Confidence: reported (aggregated from official Oklahoma legislature records).