---
type: "Bill"
title: "public contracts; payment methods"
description: "public contracts; payment methods"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "54th-2nd-regular"
identifier: "SB 1510"
citation: "Arizona SB 1510 (54th-2nd-regular)"
classification: ["bill"]
subjects: ["DESIGN PROFESSIONAL SERVICES", "DESIGN PROFESSIONALS", "PAYMENT METHOD", "PAYMENTS TO CONTRACTOR", "PROGRESS PAYMENTS", "PUBLIC BUILDINGS AND IMPROVEMENTS - TITLE 34", "PUBLIC CONTRACTS", "RECOVERY OF DAMAGES FOR DELAY", "SERVICE CONTRACTS", "SUBCONSULTANT"]
status: "enacted"
primary_sponsors: ["David Livingston"]
version_count: 4
action_count: 14
vote_count: 5
first_action: "2020-02-03"
last_action: "2020-06-05"
source: "openstates"
source_identifier: "ocd-bill/b2583b11-4360-49a9-9017-8baf3bb1b32a"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/73846?SessionId=122"
source_hash: "81c106cf89db494a884574f8ff3ef0faf49abcf59537909e147f3b764f884bf9"
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 1510 (54th-2nd-regular) — public contracts; payment methods

## 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/54leg/2R/laws/0087.htm)
2. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/2R/bills/SB1510P.htm)
3. **SENATE - Livingston flr amend (ref Bill) adopted** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/2R/adopted/S.1510LIVINGSTON1118.docx.htm)
4. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/2R/bills/SB1510S.htm)

## Votes

- do pass — **0–0** (fail) · lower
- retained — **0–0** (fail) · upper
- do pass amended — **0–0** (fail) · upper
- Passed — **46–14** (pass) · lower
- Passed — **30–0** (pass) · upper

## Sponsors

- David Livingston — primary (person)

## Timeline

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

- **2020-02-03** Senate First Reading `reading-1`
- **2020-02-04** Senate Second Reading `reading-2`
- **2020-02-17** DP `committee-passage`
- **2020-03-02** DPA `amendment-passage`
- **2020-03-03** PASSED `passage, reading-3`
- **2020-03-03** Transmit to House
- **2020-03-09** House First Reading. `reading-1`
- **2020-03-10** House Second Reading `reading-2`
- **2020-05-19** DP `committee-passage`
- **2020-05-20** DP `passage`
- **2020-05-20** PASSED `passage, reading-3`
- **2020-05-20** Transmit to Senate
- **2020-05-26** Transmit to Governor `executive-receipt`
- **2020-06-05** 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/b2583b11-4360-49a9-9017-8baf3bb1b32a`. Confidence: reported (aggregated from official Arizona legislature records).