---
type: "Bill"
title: "Revenue and taxation; zero-emission facility tax credits; carryover; refundability; effective date; emergency."
description: "Revenue and taxation; zero-emission facility tax credits; carryover; refundability; effective date; emergency."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2019-2020"
identifier: "HB 1263"
citation: "Oklahoma HB 1263 (2019-2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Hilbert", "Pugh"]
version_count: 6
action_count: 26
vote_count: 0
first_action: "2019-02-04"
last_action: "2019-04-30"
source: "openstates"
source_identifier: "ocd-bill/980ba4ac-64bf-401b-a014-ca7931e3d2d7"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB1263&session=1900"
source_hash: "328c8d8b22f0a7a4b89c7d6be8d6812aa3ea65851c1a80c06a2223eeca79cacf"
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 1263 (2019-2020) — Revenue and taxation; zero-emission facility tax credits; carryover; refundability; effective date; emergency.

## Version chain

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

1. **Introduced** (filed) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 INT/hB/HB1263 INT.PDF)
2. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENGR/hB/HB1263 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENR/hB/HB1263 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/HFLR/HB1263 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/SFLR/HB1263 SFLR.PDF)
6. **HB1263 (4-08-19) (PUGH) RT FA1.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLOOR AMENDMENTS/Senate/HB1263 (4-08-19) (PUGH) RT FA1.PDF)

## Sponsors

- Hilbert — primary (person)
- Pugh — primary (person)

## Timeline

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

- **2019-02-04** First Reading `introduction, reading-1`
- **2019-02-04** Authored by Representative Hilbert
- **2019-02-05** Second Reading referred to Appropriations and Budget `referral-committee, reading-2`
- **2019-02-14** CR; Do Pass Appropriations and Budget Committee `committee-passage`
- **2019-02-20** General Order
- **2019-02-20** Authored by Senator Pugh (principal Senate author)
- **2019-02-20** Third Reading, Measure and Emergency passed: Ayes: 92 Nays: 5 `passage, reading-3`
- **2019-02-20** Referred for engrossment
- **2019-02-21** Engrossed, signed, to Senate `passage`
- **2019-02-21** First Reading `introduction, reading-1`
- **2019-03-18** Second Reading referred to Finance `referral-committee, reading-2`
- **2019-04-02** Reported Do Pass as amended Finance committee; CR filed `committee-passage`
- **2019-04-02** Title stricken
- **2019-04-02** Emergency clause stricken
- **2019-04-24** General Order, Amended
- **2019-04-24** Title restored
- **2019-04-24** Emergency clause restored
- **2019-04-24** Amendment restored bill to engrossed version `amendment-passage`
- **2019-04-24** Measure passed: Ayes: 39 Nays: 6 `passage`
- **2019-04-24** Emergency passed: Ayes: 41 Nays: 4
- **2019-04-24** Engrossed measure signed, returned to House `passage`
- **2019-04-24** Referred for enrollment
- **2019-04-25** Enrolled, signed, to Senate
- **2019-04-25** Enrolled measure signed, returned to House
- **2019-04-25** Sent to Governor `executive-receipt`
- **2019-04-30** Approved by Governor 04/30/2019 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/980ba4ac-64bf-401b-a014-ca7931e3d2d7`. Confidence: reported (aggregated from official Oklahoma legislature records).