---
type: "Bill"
title: "U.S. House vacancy; special election"
description: "U.S. House vacancy; special election"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "53rd-2nd-regular"
identifier: "HB 2538"
citation: "Arizona HB 2538 (53rd-2nd-regular)"
classification: ["bill"]
subjects: ["BOARD OF SUPERVISORS", "ELECTIONS AND ELECTORS - TITLE 16", "VACANCIES"]
status: "enacted"
primary_sponsors: ["Douglas Coleman"]
version_count: 4
action_count: 11
vote_count: 6
first_action: "2018-02-06"
last_action: "2018-05-16"
source: "openstates"
source_identifier: "ocd-bill/3739770c-f98a-4b63-acdf-d756b952ff3f"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/70776?SessionId=119"
source_hash: "8406b63ad5730c10195cc04db122cc4a4f08af15c501b42c9a0f201978fe2214"
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 HB 2538 (53rd-2nd-regular) — U.S. House vacancy; special election

## 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/53leg/2R/laws/0316.htm)
2. **House Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/53leg/2R/bills/HB2538H.htm)
3. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/53leg/2R/bills/HB2538P.htm)
4. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/53leg/2R/bills/HB2538S.htm)

## Votes

- do pass amended — **0–0** (fail) · lower
- retained — **0–0** (fail) · upper
- Passed — **16–14** (pass) · upper
- Passed — **57–2** (pass) · lower
- Passed — **42–15** (pass) · lower
- do pass amended — **0–0** (fail) · upper

## Sponsors

- Douglas Coleman — primary (person)

## Timeline

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

- **2018-02-20** passed `passage, reading-3`
- **2018-04-23** passed `passage, reading-3`
- **2018-04-30** passed `passage`
- **2018-02-06** house first reading. `reading-1`
- **2018-02-07** house second reading `reading-2`
- **2018-03-01** senate first reading `reading-1`
- **2018-03-05** senate second reading `reading-2`
- **2018-05-16** signed by governor `executive-signature`
- **2018-02-21** transmit to senate
- **2018-04-23** transmit to house
- **2018-05-01** transmit to governor `executive-receipt`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3739770c-f98a-4b63-acdf-d756b952ff3f`. Confidence: reported (aggregated from official Arizona legislature records).