---
type: "Bill"
title: "statewide ballot measures; circulators; procedures"
description: "statewide ballot measures; circulators; procedures"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "54th-1st-regular"
identifier: "SB 1451"
citation: "Arizona SB 1451 (54th-1st-regular)"
classification: ["bill"]
subjects: ["CIRCULATORS", "INITIATIVE", "REFERENDUM AND RECALL - TITLE 19", "PETITIONS", "PROCEDURES", "SEVERABILITY", "SIGNATURE SHEETS", "STATEWIDE BALLOT MEASURES"]
status: "enacted"
primary_sponsors: ["Vince Leach"]
version_count: 8
action_count: 18
vote_count: 8
first_action: "2019-02-05"
last_action: "2019-06-07"
source: "openstates"
source_identifier: "ocd-bill/0348b60e-7181-4a48-b80d-4a1208d537ec"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/72111?SessionId=121"
source_hash: "0fa96aed519d57eab65753b610c17fab61ae72173e3bb93cce4c262ed07a4a4b"
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 1451 (54th-1st-regular) — statewide ballot measures; circulators; procedures

## 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/1R/laws/0315.htm)
2. **Conference Committee** (committee substitute) — [source](https://www.azleg.gov/ccamendments/54LEG/1R/s.14511120.DOCX.htm)
3. **Conference Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/SB1451C.htm)
4. **HOUSE - Floor Amend to Bill - Townsend - passed** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/471097)
5. **House Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/SB1451H.htm)
6. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/SB1451P.htm)
7. **SENATE - Leach flr amend (ref Bill) adopted** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/adopted/S.1451LEACH0444.docx.htm)
8. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/SB1451S.htm)

## Votes

- Passed — **31–29** (pass) · lower
- do pass amended — **0–0** (fail) · lower
- Retained on the Calendar — **0–0** (fail) · lower
- Passed — **17–13** (pass) · upper
- Passed — **31–29** (pass) · lower
- failed to pass — **29–31** (fail) · lower
- Passed — **16–10** (pass) · upper
- do pass amended — **0–0** (fail) · upper

## Sponsors

- Vince Leach — primary (person)

## Timeline

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

- **2019-02-05** senate first reading `reading-1`
- **2019-02-14** dp `committee-passage`
- **2019-02-06** senate second reading `reading-2`
- **2019-03-04** dpa `amendment-passage`
- **2019-03-06** passed `passage, reading-3`
- **2019-03-06** transmit to house
- **2019-03-12** house first reading. `reading-1`
- **2019-03-19** dp `committee-passage`
- **2019-03-13** house second reading `reading-2`
- **2019-05-08** failed `failure`
- **2019-05-08** transmit to senate
- **2019-03-25** house placed on consent calendar
- **2019-05-08** dpa `amendment-passage`
- **2019-05-08** passed `passage, reading-3`
- **2019-05-24** passed `passage`
- **2019-05-24** passed `passage`
- **2019-05-25** transmit to governor `executive-receipt`
- **2019-06-07** 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/0348b60e-7181-4a48-b80d-4a1208d537ec`. Confidence: reported (aggregated from official Arizona legislature records).