---
type: "Bill"
title: "Mental Health; Department of Mental Health and Substance Abuse Services; modification of definitions; adding qualification for assisted outpatient treatment; effective date."
description: "Mental Health; Department of Mental Health and Substance Abuse Services; modification of definitions; adding qualification for assisted outpatient treatment; effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2020"
identifier: "HB 1280"
citation: "Oklahoma HB 1280 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Haste", "Lawson"]
version_count: 7
action_count: 25
vote_count: 2
first_action: "2019-02-04"
last_action: "2019-05-15"
source: "openstates"
source_identifier: "ocd-bill/9ed4add0-a77e-4baa-a132-12a227649ade"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB1280&session=2000"
source_hash: "e7aeebc207bf0b025278eaf66a6d89aa73b840b5bd189a323ad45fc46717a68c"
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 1280 (2020) — Mental Health; Department of Mental Health and Substance Abuse Services; modification of definitions; adding qualification for assisted outpatient treatment; 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/hB/HB1280 INT.PDF)
2. **Amended And Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 AMENDMENTS/Amendment & Engr/HB1280 SAHB & ENGR.PDF)
3. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENGR/hB/HB1280 ENGR.PDF)
4. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 ENR/hB/HB1280 ENR.PDF)
5. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/HFLR/HB1280 HFLR.PDF)
6. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLR/SFLR/HB1280 SFLR.PDF)
7. **HB1280 (4-09-19) (HASTE) FA1.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2019-20 FLOOR AMENDMENTS/Senate/HB1280 (4-09-19) (HASTE) FA1.PDF)

## Votes

- THIRD READING — **43–0** (pass) · upper
- THIRD READING — **88–0** (pass) · lower

## Sponsors

- Haste — primary (person)
- Lawson — 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 Lawson
- **2019-02-06** Second Reading referred to Rules `referral-committee, reading-2`
- **2019-02-28** CR; Do Pass Rules Committee `committee-passage`
- **2019-02-28** Authored by Senator Haste (principal Senate author)
- **2019-03-06** General Order
- **2019-03-06** Third Reading, Measure passed: Ayes: 88 Nays: 0 `passage, reading-3`
- **2019-03-06** Referred for engrossment
- **2019-03-07** Engrossed, signed, to Senate `passage`
- **2019-03-07** First Reading `introduction, reading-1`
- **2019-03-25** Second Reading referred to Health and Human Services `referral-committee, reading-2`
- **2019-04-01** Reported Do Pass Health and Human Services committee; CR filed `committee-passage`
- **2019-04-23** General Order, Amended
- **2019-04-23** Measure passed: Ayes: 43 Nays: 0 `passage`
- **2019-04-23** Referred for engrossment
- **2019-04-24** Engrossed to House `passage`
- **2019-04-24** SA's received
- **2019-05-08** SA's read, adopted
- **2019-05-08** Coauthored by Senator(s) Ikley-Freeman
- **2019-05-08** Fourth Reading, Measure passed: Ayes: 93 Nays: 0 `passage`
- **2019-05-08** Referred for enrollment
- **2019-05-09** Enrolled, signed, to Senate
- **2019-05-09** Enrolled measure signed, returned to House
- **2019-05-09** Sent to Governor `executive-receipt`
- **2019-05-15** Approved by Governor 05/15/2019 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9ed4add0-a77e-4baa-a132-12a227649ade`. Confidence: reported (aggregated from official Oklahoma legislature records).