---
type: "Bill"
title: "workers' compensation; disability; definitions"
description: "workers' compensation; disability; definitions"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "57th-1st-regular"
identifier: "SB 1551"
citation: "Arizona SB 1551 (57th-1st-regular)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Venden \"Vince\" Leach"]
version_count: 7
action_count: 16
vote_count: 6
first_action: "2025-02-10"
last_action: "2025-04-18"
source: "openstates"
source_identifier: "ocd-bill/2aa8a2e3-36fb-409c-b825-d50d06ab9cc2"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/82989?SessionId=129"
source_hash: "66c6eb9e00fac16bd9aeed87f17bddfde6a942be43aace3b57116cfc42f3e0ed"
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 SB 1551 (57th-1st-regular) — workers' compensation; disability; definitions

## 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/57leg/1r/laws/0073.pdf)
2. **HOUSE - Commerce** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/527836)
3. **HOUSE - SUB Floor Amend to COM - Weninger - passed** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/529134)
4. **House Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/57leg/1r/bills/sb1551h.pdf)
5. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/57leg/1r/bills/sb1551p.pdf)
6. **SENATE - Leach flr amend (ref Bill) adopted** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/526379)
7. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/57leg/1r/bills/sb1551s.pdf)

## Votes

- do pass amended — **0–0** (fail) · upper
- Passed — **0–0** (pass) · upper
- Passed — **40–19** (pass) · lower
- Passed — **29–1** (pass) · upper
- do pass amended — **0–0** (fail) · lower
- Passed — **24–3** (pass) · upper

## Sponsors

- Venden "Vince" Leach — primary (person)

## Timeline

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

- **2025-02-10** Senate First Reading `reading-1`
- **2025-02-11** Senate Second Reading `reading-2`
- **2025-02-17** DP `committee-passage`
- **2025-02-27** DPA `amendment-passage`
- **2025-03-04** PASSED `passage, reading-3`
- **2025-03-04** Transmit to House
- **2025-03-11** House First Reading. `reading-1`
- **2025-03-12** House Second Reading `reading-2`
- **2025-03-18** DPA `amendment-passage`
- **2025-04-09** DPA `amendment-passage`
- **2025-04-10** PASSED `passage, reading-3`
- **2025-04-10** Transmit to Senate
- **2025-04-15** PASSED `passage`
- **2025-04-15** PASSED `passage`
- **2025-04-15** Transmit to Governor `executive-receipt`
- **2025-04-18** 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/2aa8a2e3-36fb-409c-b825-d50d06ab9cc2`. Confidence: reported (aggregated from official Arizona legislature records).