---
type: "Bill"
title: "Emergency medical services; definitions; terms; repealer; effective date."
description: "Emergency medical services; definitions; terms; repealer; effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2022"
identifier: "HB 3278"
citation: "Oklahoma HB 3278 (2022)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Humphrey", "Weaver"]
version_count: 7
action_count: 20
vote_count: 0
first_action: "2022-02-07"
last_action: "2022-04-21"
source: "openstates"
source_identifier: "ocd-bill/b9332b91-847c-423e-ad7d-96ee84f21e2f"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB3278&session=2200"
source_hash: "52edb2e2dd4ae359ea0bc96ef01f52c50250de5a33e4dcad175c1a23dd5c4b8f"
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 3278 (2022) — Emergency medical services; definitions; terms; repealer; 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/2021-22 INT/hB/HB3278 INT.PDF)
2. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENGR/hB/HB3278 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENR/hB/HB3278 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/HFLR/HB3278 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/SFLR/HB3278 SFLR.PDF)
6. **HB3278 FULLPCS1 JUSTIN HUMPHREY-KN.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 COMMITTEE AMENDMENTS/House/HB3278 FULLPCS1 JUSTIN HUMPHREY-KN.PDF)
7. **House Committee Substitute** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 COMMITTEE SUBS/HCS/HB3278 CS.PDF)

## Sponsors

- Humphrey — primary (person)
- Weaver — primary (person)

## Timeline

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

- **2022-02-07** First Reading `introduction, reading-1`
- **2022-02-07** Authored by Representative Humphrey
- **2022-02-08** Second Reading referred to Technology `reading-2, referral-committee`
- **2022-02-16** CR; Do Pass, amended by committee substitute Technology Committee `committee-passage`
- **2022-02-16** Authored by Senator Weaver (principal Senate author)
- **2022-03-14** General Order
- **2022-03-14** Third Reading, Measure passed: Ayes: 87 Nays: 0 `passage, reading-3`
- **2022-03-14** Referred for engrossment
- **2022-03-15** Engrossed, signed, to Senate `passage`
- **2022-03-15** First Reading `introduction, reading-1`
- **2022-03-24** Second Reading referred to Public Safety `reading-2, referral-committee`
- **2022-04-04** Reported Do Pass Public Safety committee; CR filed `committee-passage`
- **2022-04-19** General Order, Considered
- **2022-04-19** Measure passed: Ayes: 45 Nays: 0 `passage`
- **2022-04-19** Engrossed measure signed, returned to House `passage`
- **2022-04-19** Referred for enrollment
- **2022-04-20** Enrolled, signed, to Senate
- **2022-04-20** Enrolled measure signed, returned to House
- **2022-04-20** Sent to Governor `executive-receipt`
- **2022-04-21** Approved by Governor 04/21/2022 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b9332b91-847c-423e-ad7d-96ee84f21e2f`. Confidence: reported (aggregated from official Oklahoma legislature records).