republic-os/legislation/us/states/ca/20252026/aca-8.md

---
type: "Bill"
title: "A resolution to propose to the people of the State of California an amendment to the Constitution of the State, by adding Section 4 to Article XXI thereof, relating to redistricting."
description: "The California Constitution establishes the Citizens Redistricting Commission, which is required to adjust the boundary lines of congressional, Senate, Assembly, and State Board of Equalization districts in the year following the year in which the national census is taken at the beginning of each decade."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20252026"
identifier: "ACA 8"
citation: "California ACA 8 (20252026)"
classification: ["constitutional amendment"]
subjects: ["Congressionalredistricting"]
status: "enacted"
primary_sponsors: ["Rivas"]
version_count: 6
action_count: 26
vote_count: 5
first_action: "2025-02-20"
last_action: "2025-08-21"
source: "openstates"
source_identifier: "ocd-bill/8e2c2c0a-7f6b-4e81-8f57-76830466e745"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260ACA8"
source_hash: "45044d7f13b387bc981ece3cf97544d5fe242c2862efbcc0067da24a9697c8d9"
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-ca"]
---

# California ACA 8 (20252026) — A resolution to propose to the people of the State of California an amendment to the Constitution of the State, by adding Section 4 to Article XXI thereof, relating to redistricting.

The California Constitution establishes the Citizens Redistricting Commission, which is required to adjust the boundary lines of congressional, Senate, Assembly, and State Board of Equalization districts in the year following the year in which the national census is taken at the beginning of each decade.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **02/20/25 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260ACA8&version=20250ACA899INT)
2. **08/18/25 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260ACA8&version=20250ACA898AMD)
3. **08/21/25 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260ACA8&version=20250ACA897AMD)
4. **08/21/25 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260ACA8&version=20250ACA895CHP)
5. **ACA8** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260ACA8)
6. **08/21/25 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202520260ACA8&version=20250ACA896ENR)

## Votes

- Be adopted and re-referred to the Committee on [Appropriations] — **5–2** (pass) · lower
- Be adopted. — **11–4** (pass) · lower
- ACA 8 RIVAS Assembly Third Reading By BERMAN — **57–20** (pass) · lower
- Be adopted and re-referred to the Committee on [Appropriations] — **4–2** (pass) · lower
- 3rd Reading ACA8 Rivas et al. By McGuire — **30–8** (pass) · upper

## Sponsors

- Rivas — primary (person)
- Addis — coauthor (person)
- Aguiar-Curry — coauthor (person)
- Ahrens — coauthor (person)
- Archuleta — coauthor (person)
- Bauer-Kahan — coauthor (person)
- Becker — coauthor (person)
- Bennett — coauthor (person)
- Berman — coauthor (person)
- Blanca Rubio — coauthor (person)
- Bonta — coauthor (person)
- Bryan — coauthor (person)
- Cabaldon — coauthor (person)
- Caballero — coauthor (person)
- Caloza — coauthor (person)
- Carrillo — coauthor (person)
- Celeste Rodriguez — coauthor (person)
- Cervantes — coauthor (person)
- Connolly — coauthor (person)
- Cortese — coauthor (person)
- Durazo — coauthor (person)
- Elhawary — coauthor (person)
- Fong — coauthor (person)
- Garcia — coauthor (person)
- Gipson — coauthor (person)
- Gonzalez — coauthor (person)
- Grayson — coauthor (person)
- Haney — coauthor (person)
- Harabedian — coauthor (person)
- Hart — coauthor (person)
- Jackson — coauthor (person)
- Kalra — coauthor (person)
- Laird — coauthor (person)
- Limón — coauthor (person)
- Lowenthal — coauthor (person)
- Mark González — coauthor (person)
- McGuire — author (person)
- McKinnor — coauthor (person)
- Michelle Rodriguez — coauthor (person)
- Muratsuchi — coauthor (person)
- Nguyen — coauthor (person)
- Ortega — coauthor (person)
- Pacheco — coauthor (person)
- Padilla — coauthor (person)
- Pellerin — coauthor (person)
- Petrie-Norris — coauthor (person)
- Pérez — coauthor (person)
- Quirk-Silva — coauthor (person)
- Ransom — coauthor (person)
- Reyes — coauthor (person)
- Rogers — coauthor (person)
- Stefani — coauthor (person)
- Stern — coauthor (person)
- Umberg — coauthor (person)
- Valencia — coauthor (person)
- Wahab — coauthor (person)
- Ward — coauthor (person)
- Weber Pierson — coauthor (person)
- Wicks — coauthor (person)
- Wiener — coauthor (person)
- Wilson — coauthor (person)
- Zbur — coauthor (person)
- Ávila Farías — coauthor (person)

## Timeline

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

- **2025-02-20** Introduced. To print. `introduction`
- **2025-02-21** From printer. May be heard in committee March 23.
- **2025-06-16** Referred to Coms. on ELECTIONS and APPR. `referral-committee`
- **2025-07-16** From committee: Be adopted, and re-refer to Com. on APPR. Re-referred. (Ayes 4. Noes 2.) (July 16). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2025-08-18** From committee chair, with author's amendments: Amend, and re-refer to Com. on APPR. Read second time and amended. `amendment-introduction, amendment-passage, reading-1, reading-2`
- **2025-08-18** Re-referred to Com. on ELECTIONS. pursuant to Assembly Rule 96. `referral-committee`
- **2025-08-18** (Ayes 57. Noes 18. Page 2644.)
- **2025-08-18** Joint Rule 62(a), file notice suspended. (Ayes 58. Noes 18. Page 2644.)
- **2025-08-18** Assembly Rule 56 suspended. (Ayes 57. Noes 18. Page 2645.)
- **2025-08-18** Joint Rule 62(a), file notice suspended. (Ayes 57. Noes 18. Page 2645.)
- **2025-08-18** Assembly Rule 63 suspended. (Ayes 57. Noes 18. Page 2646.)
- **2025-08-18** Assembly Rule 66 suspended. (Ayes 57. Noes 18. Page 2646.)
- **2025-08-19** From committee: Be adopted, and re-refer to Com. on APPR. Re-referred. (Ayes 5. Noes 2.) (August 19). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2025-08-20** From committee: Be adopted. Ordered to Third Reading. (Ayes 11. Noes 4.) (August 20). `committee-passage, committee-passage-favorable, reading-1`
- **2025-08-21** Assembly Rule 69(b)(1) suspended. (Ayes 58. Noes 19. Page 2683.)
- **2025-08-21** Amended. Ordered to third reading.
- **2025-08-21** Assembly Rule 63 suspended. (Ayes 58. Noes 20. Page 2684.)
- **2025-08-21** Adopted and to Senate. (Ayes 57. Noes 20. Page 2688.) `amendment-passage, passage`
- **2025-08-21** Senate Rule 19 suspended. (Ayes 30. Noes 9. Page 2226.)
- **2025-08-21** Joint Rule 10.5 suspended. (Ayes 30. Noes 9. Page 2227.)
- **2025-08-21** In Senate. To Com. on RLS.
- **2025-08-21** From committee: Ordered to third reading. `committee-passage`
- **2025-08-21** Adopted and to Assembly. (Ayes 30. Noes 8. Page 2231.) `amendment-passage, passage`
- **2025-08-21** In Assembly. Ordered to Engrossing and Enrolling. `committee-passage`
- **2025-08-21** Enrolled and filed with the Secretary of State at 3:45 p.m.
- **2025-08-21** Chaptered by Secretary of State - Res. Chapter 156, Statutes of 2025. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/8e2c2c0a-7f6b-4e81-8f57-76830466e745`. Confidence: reported (aggregated from official California legislature records).