---
type: "Bill"
title: "County Employees Retirement Law of 1937: disability retirement: medical conditions: employment-related presumption."
description: "Existing law, the County Employees Retirement Law of 1937, prescribes the rights, benefits, and duties of members of the retirement systems established pursuant to its provisions."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20232024"
identifier: "AB 1020"
citation: "California AB 1020 (20232024)"
classification: ["bill"]
subjects: ["County Employees Retirement Law of 1937", "disability retirement", "employment-related presumption", "medical conditions"]
status: "enacted"
primary_sponsors: ["Grayson"]
version_count: 7
action_count: 22
vote_count: 5
first_action: "2023-02-15"
last_action: "2023-10-08"
source: "openstates"
source_identifier: "ocd-bill/a5ef490c-5a11-4085-9d22-cd88b45ce8bb"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AB1020"
source_hash: "e508bcfe2c5569607d257a31b7a0d5d931abc24fa08fcb2354044da04035fec1"
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 AB 1020 (20232024) — County Employees Retirement Law of 1937: disability retirement: medical conditions: employment-related presumption.

Existing law, the County Employees Retirement Law of 1937, prescribes the rights, benefits, and duties of members of the retirement systems established pursuant to its provisions.

## Version chain

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

1. **02/15/23 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1020&version=20230AB102099INT)
2. **03/13/23 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1020&version=20230AB102098AMD)
3. **05/30/23 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1020&version=20230AB102097AMD)
4. **07/11/23 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1020&version=20230AB102096AMD)
5. **10/08/23 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1020&version=20230AB102094CHP)
6. **AB1020** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AB1020)
7. **09/11/23 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AB1020&version=20230AB102095ENR)

## Votes

- AB 1020 Grayson Concurrence in Senate Amendments — **79–0** (pass) · lower
- Do pass — **5–0** (pass) · upper
- Do pass. — **7–0** (pass) · lower
- AB 1020 Grayson Assembly Third Reading — **76–0** (pass) · lower
- 3rd Reading AB1020 Grayson By Laird — **40–0** (pass) · upper

## Sponsors

- Grayson — primary (person)

## Timeline

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

- **2023-02-15** Read first time. To print. `reading-1`
- **2023-02-16** From printer. May be heard in committee March 18.
- **2023-03-09** Referred to Com. on P.E. & R. `referral-committee`
- **2023-03-13** From committee chair, with author's amendments: Amend, and re-refer to Com. on P.E. & R. Read second time and amended. `amendment-introduction, amendment-passage, reading-1, reading-2`
- **2023-03-14** Re-referred to Com. on P.E. & R. `referral-committee`
- **2023-04-12** From committee: Do pass. (Ayes 7. Noes 0.) (April 12). `committee-passage, committee-passage-favorable`
- **2023-04-13** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2023-04-20** Read third time. Passed. Ordered to the Senate. (Ayes 76. Noes 0. Page 1269.) `passage, reading-1, reading-3`
- **2023-04-20** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2023-05-03** Referred to Com. on L., P.E. & R. `referral-committee`
- **2023-05-30** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on L., P.E. & R. `amendment-introduction, amendment-passage, reading-1, reading-2, referral-committee`
- **2023-06-14** From committee: Do pass. (Ayes 5. Noes 0.) (June 14). `committee-passage, committee-passage-favorable`
- **2023-06-15** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2023-07-11** Read third time and amended. Ordered to second reading. `amendment-passage, reading-1, reading-3`
- **2023-07-12** Read second time. Ordered to third reading. `reading-1, reading-2`
- **2023-09-06** Read third time. Passed. Ordered to the Assembly. (Ayes 40. Noes 0. Page 2391.). `passage, reading-1, reading-3`
- **2023-09-06** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 8 pursuant to Assembly Rule 77.
- **2023-09-07** Assembly Rule 77 suspended. (Page 3011.)
- **2023-09-07** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 79. Noes 0. Page 3042.). `amendment-passage, committee-passage-favorable`
- **2023-09-14** Enrolled and presented to the Governor at 4:30 p.m.
- **2023-10-08** Approved by the Governor. `executive-signature`
- **2023-10-08** Chaptered by Secretary of State - Chapter 554, Statutes of 2023. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a5ef490c-5a11-4085-9d22-cd88b45ce8bb`. Confidence: reported (aggregated from official California legislature records).