---
type: "Bill"
title: "State civil service: probationary periods."
description: "The California Constitution establishes the state civil service for state employees, with specified exceptions. Existing law requires the State Personnel Board to establish a probationary period for each class of employee in state service, which is generally required to be 6 months, unless the board establishes a longer period not to exceed one year, and requires that the period be served, upon appointment."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20232024"
identifier: "SB 510"
citation: "California SB 510 (20232024)"
classification: ["bill"]
subjects: ["State civil service", "probationary periods"]
status: "enacted"
primary_sponsors: ["Laird"]
version_count: 5
action_count: 21
vote_count: 5
first_action: "2023-02-14"
last_action: "2023-07-13"
source: "openstates"
source_identifier: "ocd-bill/ba71e70a-9190-45ed-abd6-a03ba8654723"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240SB510"
source_hash: "19ada038c8262c5c9d16035bd1a39870bd39b1db2723cf633dc32a2b8892cb5d"
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 SB 510 (20232024) — State civil service: probationary periods.

The California Constitution establishes the state civil service for state employees, with specified exceptions. Existing law requires the State Personnel Board to establish a probationary period for each class of employee in state service, which is generally required to be 6 months, unless the board establishes a longer period not to exceed one year, and requires that the period be served, upon appointment.

## Version chain

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

1. **02/14/23 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB510&version=20230SB51099INT)
2. **03/20/23 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB510&version=20230SB51098AMD)
3. **07/13/23 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB510&version=20230SB51096CHP)
4. **SB510** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240SB510)
5. **07/06/23 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB510&version=20230SB51097ENR)

## Votes

- Do pass and be re-referred to the Committee on [Appropriations] — **7–0** (pass) · lower
- Do pass. To Consent Calendar. — **14–0** (pass) · lower
- SB 510 Laird Consent Calendar Second Day — **69–0** (pass) · lower
- Consent Calendar — **37–0** (pass) · upper
- Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — **5–0** (pass) · upper

## Sponsors

- Laird — primary (person)

## Timeline

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

- **2023-02-14** Introduced. Read first time. To Com. on RLS. for assignment. To print. `introduction, reading-1`
- **2023-02-15** From printer. May be acted upon on or after March 17.
- **2023-02-22** Referred to Com. on RLS. `referral-committee`
- **2023-03-20** From committee with author's amendments. Read second time and amended. Re-referred to Com. on RLS. `amendment-passage, committee-passage, reading-1, reading-2, referral-committee`
- **2023-03-29** Re-referred to Com. on L., P.E. & R. `referral-committee`
- **2023-04-03** Set for hearing April 12.
- **2023-04-13** From committee: Do pass and re-refer to Com. on APPR with recommendation: To consent calendar. (Ayes 5. Noes 0. Page 712.) (April 12). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2023-04-18** Set for hearing April 24.
- **2023-04-24** From committee: Be ordered to second reading pursuant to Senate Rule 28.8 and ordered to consent calendar. `committee-passage, reading-2`
- **2023-04-25** Read second time. Ordered to consent calendar. `reading-1, reading-2`
- **2023-05-01** Read third time. Passed. (Ayes 37. Noes 0. Page 961.) Ordered to the Assembly. `passage, reading-1, reading-3`
- **2023-05-01** In Assembly. Read first time. Held at Desk. `reading-1`
- **2023-05-11** Referred to Com. on P.E. & R. `referral-committee`
- **2023-06-14** From committee: Do pass and re-refer to Com. on APPR. (Ayes 7. Noes 0.) (June 14). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
- **2023-06-28** From committee: Do pass. Ordered to consent calendar. (Ayes 14. Noes 0.) (June 28). `committee-passage, committee-passage-favorable`
- **2023-06-29** Read second time. Ordered to consent calendar. `reading-1, reading-2`
- **2023-07-03** Read third time. Passed. (Ayes 69. Noes 0. Page 2541.) Ordered to the Senate. `passage, reading-1, reading-3`
- **2023-07-03** In Senate. Ordered to engrossing and enrolling.
- **2023-07-11** Enrolled and presented to the Governor at 11 a.m.
- **2023-07-13** Approved by the Governor. `executive-signature`
- **2023-07-13** Chaptered by Secretary of State. Chapter 74, 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/ba71e70a-9190-45ed-abd6-a03ba8654723`. Confidence: reported (aggregated from official California legislature records).