---
type: "Bill"
title: "Oklahoma Department of Agriculture, Food, and Forestry; requiring that portions of certain appropriated funds be used for certain purpose."
description: "Oklahoma Department of Agriculture, Food, and Forestry; requiring that portions of certain appropriated funds be used for certain purpose."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2020"
identifier: "HB 4159"
citation: "Oklahoma HB 4159 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Thompson", "Wallace"]
version_count: 7
action_count: 22
vote_count: 0
first_action: "2020-04-06"
last_action: "2020-05-22"
source: "openstates"
source_identifier: "ocd-bill/970dadb4-f312-4e34-82ab-c466085c67cf"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB4159&session=2000"
source_hash: "c9d642967b8b8149d1b3e37b73507141d4666aea38561830f5b4700e435f36a9"
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 4159 (2020) — Oklahoma Department of Agriculture, Food, and Forestry; requiring that portions of certain appropriated funds be used for certain purpose.

## 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/HB4159 INT.PDF)
2. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENGR/hB/HB4159 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENR/hB/HB4159 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/HFLR/HB4159 HFLR.PDF)
5. **HB4159 FULLPCS1 KEVIN WALLACE-JM.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 COMMITTEE AMENDMENTS/House/HB4159 FULLPCS1 KEVIN WALLACE-JM.PDF)
6. **HB4159 FULLPCS2 KEVIN WALLACE-JCM.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 COMMITTEE AMENDMENTS/House/HB4159 FULLPCS2 KEVIN WALLACE-JCM.PDF)
7. **House Committee Substitute** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 COMMITTEE SUBS/HCS/HB4159 CS.PDF)

## Sponsors

- Thompson — primary (person)
- Wallace — primary (person)

## Timeline

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

- **2020-04-06** First Reading `introduction, reading-1`
- **2020-04-06** Authored by Representative Wallace, Hilbert
- **2020-04-06** Authored by Senator Thompson (principal Senate author)
- **2020-04-06** Coauthored by Senator(s) Rader
- **2020-05-04** Second Reading referred to Joint Committee on Appropriations and Budget `referral-committee, reading-2`
- **2020-05-12** JCR; Do pass, amended by committee substitute Joint Committee on Appropriations and Budget `committee-passage`
- **2020-05-13** General Order
- **2020-05-13** JCR adopted
- **2020-05-13** Third Reading, Measure passed: Ayes: 98 Nays: 0 `passage, reading-3`
- **2020-05-13** Referred for engrossment
- **2020-05-13** Engrossed, signed, to Senate `passage`
- **2020-05-13** First Reading `introduction, reading-1`
- **2020-05-13** coauthored by Pittman
- **2020-05-14** Direct to Calendar
- **2020-05-15** JCR adopted
- **2020-05-15** Measure passed: Ayes: 44 Nays: 0 `passage`
- **2020-05-15** Engrossed measure signed, returned to House `passage`
- **2020-05-15** Referred for enrollment
- **2020-05-15** Enrolled, signed, to Senate
- **2020-05-15** Enrolled measure signed, returned to House
- **2020-05-15** Sent to Governor `executive-receipt`
- **2020-05-22** Approved by Governor 05/21/2020 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/970dadb4-f312-4e34-82ab-c466085c67cf`. Confidence: reported (aggregated from official Oklahoma legislature records).