---
type: "Bill"
title: "outpatient treatment centers; licensure; exemption"
description: "outpatient treatment centers; licensure; exemption"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "55th-2nd-regular"
identifier: "HB 2450"
citation: "Arizona HB 2450 (55th-2nd-regular)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Joanne Osborne"]
version_count: 7
action_count: 17
vote_count: 6
first_action: "2022-01-24"
last_action: "2022-04-13"
source: "openstates"
source_identifier: "ocd-bill/2e340e6c-0acb-4486-8efc-d0b4fca905f0"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/76946?SessionId=125"
source_hash: "61cfa651f046134e4467ba899b55ae91b45928e2905abe37d19af2008db006ce"
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-az"]
---

# Arizona HB 2450 (55th-2nd-regular) — outpatient treatment centers; licensure; exemption

## Version chain

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

1. **Chaptered Version** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/2r/laws/0128.pdf)
2. **HOUSE - Floor Amend to Bill - Osborne - passed** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/494798)
3. **HOUSE - Floor Amend to Bill - Powers Hannley - failed** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/494794)
4. **House Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/2r/bills/hb2450h.pdf)
5. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/2r/bills/hb2450p.pdf)
6. **SENATE - Health and Human Services** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/2r/adopted/s.2450hhs.pdf)
7. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/55leg/2r/bills/hb2450s.pdf)

## Votes

- Passed — **43–16** (pass) · lower
- Passed — **0–0** (pass) · lower
- Passed — **26–0** (pass) · upper
- Passed — **46–6** (pass) · lower
- do pass amended — **0–0** (fail) · lower
- do pass amended — **0–0** (fail) · upper

## Sponsors

- Joanne Osborne — primary (person)

## Timeline

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

- **2022-01-24** House First Reading. `reading-1`
- **2022-01-25** House Second Reading `reading-2`
- **2022-02-07** DP `committee-passage`
- **2022-02-14** House Placed on Consent Calendar
- **2022-02-17** DPA `amendment-passage`
- **2022-02-17** PASSED `passage, reading-3`
- **2022-02-18** Transmit to Senate
- **2022-02-21** Senate First Reading `reading-1`
- **2022-02-22** Senate Second Reading `reading-2`
- **2022-03-23** DPA `amendment-passage`
- **2022-03-30** DPA `amendment-passage`
- **2022-03-31** PASSED `passage, reading-3`
- **2022-03-31** Transmit to House
- **2022-04-07** PASSED `passage`
- **2022-04-07** PASSED `passage`
- **2022-04-07** Transmit to Governor `executive-receipt`
- **2022-04-13** Signed by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2e340e6c-0acb-4486-8efc-d0b4fca905f0`. Confidence: reported (aggregated from official Arizona legislature records).