---
type: "Bill"
title: "public-private partnership contracts"
description: "public-private partnership contracts"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "56th-2nd-regular"
identifier: "SB 1670"
citation: "Arizona SB 1670 (56th-2nd-regular)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["David Gowan"]
version_count: 6
action_count: 18
vote_count: 7
first_action: "2024-02-05"
last_action: "2024-05-29"
source: "openstates"
source_identifier: "ocd-bill/faa2b131-9320-4572-a5e6-8fb2fb6b461d"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/81234?SessionId=128"
source_hash: "a81a9fdaa1c82a5c254b9ae9b3f1ced575c1d19d79044078933de491901535ac"
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 1670 (56th-2nd-regular) — public-private partnership contracts

## 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/56leg/2r/laws/0201.pdf)
2. **HOUSE - Floor Amend to Bill - Livingston - passed** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/519469)
3. **House Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/2r/bills/sb1670h.pdf)
4. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/2r/bills/sb1670p.pdf)
5. **SENATE - Gowan flr amend (ref Bill) adopted** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/519078)
6. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/56leg/2r/bills/sb1670s.pdf)

## Votes

- Passed — **26–0** (pass) · upper
- Passed — **0–0** (pass) · upper
- Passed — **57–0** (pass) · lower
- Passed — **25–5** (pass) · upper
- do pass amended — **0–0** (fail) · lower
- Passed — **0–0** (pass) · lower
- do pass amended — **0–0** (fail) · upper

## Sponsors

- David Gowan — primary (person)

## Timeline

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

- **2024-02-05** Senate First Reading `reading-1`
- **2024-02-06** Senate Second Reading `reading-2`
- **2024-02-14** DP `committee-passage`
- **2024-03-05** DPA `amendment-passage`
- **2024-03-06** PASSED `passage, reading-3`
- **2024-03-06** Transmit to House
- **2024-03-12** House First Reading. `reading-1`
- **2024-03-13** House Second Reading `reading-2`
- **2024-03-20** DP `committee-passage`
- **2024-03-25** House Placed on Consent Calendar
- **2024-05-01** PASSED `passage`
- **2024-05-01** DPA `amendment-passage`
- **2024-05-15** PASSED `passage, reading-3`
- **2024-05-15** Transmit to Senate
- **2024-05-22** PASSED `passage`
- **2024-05-22** PASSED `passage`
- **2024-05-23** Transmit to Governor `executive-receipt`
- **2024-05-29** 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/faa2b131-9320-4572-a5e6-8fb2fb6b461d`. Confidence: reported (aggregated from official Arizona legislature records).