---
type: "Bill"
title: "implements of husbandry; autonomous; automated"
description: "implements of husbandry; autonomous; automated"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "57th-1st-regular"
identifier: "SB 1320"
citation: "Arizona SB 1320 (57th-1st-regular)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Timothy \"Tim\" Dunn"]
version_count: 4
action_count: 14
vote_count: 3
first_action: "2025-02-03"
last_action: "2025-03-31"
source: "openstates"
source_identifier: "ocd-bill/a904bae7-b2b6-4715-bc58-36e8b38d3518"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/82704?SessionId=129"
source_hash: "50faeb66c961da191e037d535ef9c1987d47d40c8e9d223ecc36789f8fd82652"
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 1320 (57th-1st-regular) — implements of husbandry; autonomous; automated

## 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/0019.pdf)
2. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/57leg/1r/bills/sb1320p.pdf)
3. **SENATE - Dunn flr amend (ref Bill) adopted** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/525822)
4. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/57leg/1r/bills/sb1320s.pdf)

## Votes

- Passed — **55–2** (pass) · lower
- do pass amended — **0–0** (fail) · upper
- Passed — **29–0** (pass) · upper

## Sponsors

- Timothy "Tim" Dunn — primary (person)

## Timeline

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

- **2025-02-03** Senate First Reading `reading-1`
- **2025-02-04** Senate Second Reading `reading-2`
- **2025-02-12** DP `committee-passage`
- **2025-02-25** DPA `amendment-passage`
- **2025-02-26** PASSED `passage, reading-3`
- **2025-02-26** Transmit to House
- **2025-03-03** House First Reading. `reading-1`
- **2025-03-04** House Second Reading `reading-2`
- **2025-03-12** DP `committee-passage`
- **2025-03-17** House Placed on Consent Calendar
- **2025-03-24** PASSED `passage, reading-3`
- **2025-03-24** Transmit to Senate
- **2025-03-25** Transmit to Governor `executive-receipt`
- **2025-03-31** 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/a904bae7-b2b6-4715-bc58-36e8b38d3518`. Confidence: reported (aggregated from official Arizona legislature records).