---
type: "Bill"
title: "Counties and county officers; modifying means by which a lawsuit may be brought against a county. Effective date."
description: "Counties and county officers; modifying means by which a lawsuit may be brought against a county. Effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2020"
identifier: "SB 484"
citation: "Oklahoma SB 484 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Dahm", "ODonnell"]
version_count: 5
action_count: 20
vote_count: 1
first_action: "2019-02-04"
last_action: "2019-04-25"
source: "openstates"
source_identifier: "ocd-bill/3f16b881-e603-4220-a91e-6164a803fc69"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=SB484&session=2000"
source_hash: "fad5ae73ea7679272b1bfe20f8a7ca70e87a3a086b43bf74f94ceb7af2f31195"
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 SB 484 (2020) — Counties and county officers; modifying means by which a lawsuit may be brought against a county. Effective date.

## 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/SB/SB484 INT.PDF)
2. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENGR/SB/SB484 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENR/SB/SB484 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/HFLR/SB484 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/SFLR/SB484 SFLR.PDF)

## Votes

- THIRD READING — **43–2** (pass) · upper

## Sponsors

- Dahm — primary (person)
- ODonnell — 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 Senator Dahm
- **2019-02-05** Second Reading referred to Judiciary `referral-committee, reading-2`
- **2019-02-26** Reported Do Pass as amended Judiciary committee; CR filed `committee-passage`
- **2019-03-11** Coauthored by Representative O'Donnell (principal House author)
- **2019-03-12** General Order, Considered
- **2019-03-12** Measure passed: Ayes: 43 Nays: 2 `passage`
- **2019-03-12** Referred for engrossment
- **2019-03-13** Engrossed to House `passage`
- **2019-03-13** First Reading `introduction, reading-1`
- **2019-03-19** Second Reading referred to Judiciary `referral-committee, reading-2`
- **2019-04-02** CR; Do Pass Judiciary Committee `committee-passage`
- **2019-04-17** General Order
- **2019-04-17** Third Reading, Measure passed: Ayes: 71 Nays: 18 `passage, reading-3`
- **2019-04-17** Signed, returned to Senate
- **2019-04-17** Referred for enrollment
- **2019-04-22** Enrolled, to House
- **2019-04-22** Signed, returned to Senate
- **2019-04-22** Sent to Governor `executive-receipt`
- **2019-04-25** Approved by Governor 04/25/2019 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3f16b881-e603-4220-a91e-6164a803fc69`. Confidence: reported (aggregated from official Oklahoma legislature records).