---
type: "Bill"
title: "Diesel generators: health facilities."
description: "(1) Existing law requires a health facility, as defined, to test its diesel-powered backup generators 12 times a year with testing intervals of not less than 20 days and not more than 40 days, and in accordance with specified test procedures. Violation of these requirements constitutes a crime. These requirements will be repealed on January 1, 2011."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20092010"
identifier: "AB 1863"
citation: "California AB 1863 (20092010)"
classification: ["bill"]
subjects: ["Diesel generators: health facilities."]
status: "enacted"
primary_sponsors: ["Gaines"]
version_count: 4
action_count: 18
vote_count: 6
first_action: "2010-02-12"
last_action: "2010-08-23"
source: "openstates"
source_identifier: "ocd-bill/0bb99141-42dc-4fc7-93f7-00ce4f0f21a8"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB1863"
source_hash: "de0f77242fa911cc54c59bb38dbc1b8ad6a2e4c0634816f0bc06c76548a54404"
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 1863 (20092010) — Diesel generators: health facilities.

(1) Existing law requires a health facility, as defined, to test its diesel-powered backup generators 12 times a year with testing intervals of not less than 20 days and not more than 40 days, and in accordance with specified test procedures. Violation of these requirements constitutes a crime. These requirements will be repealed on January 1, 2011.

## Version chain

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

1. **02/12/10 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1863&version=20090AB186399INT)
2. **08/23/10 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1863&version=20090AB186397CHP)
3. **AB1863** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200920100AB1863)
4. **08/06/10 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200920100AB1863&version=20090AB186398ENR)

## Votes

- Consent Calendar 2nd AB1863 Gaines — **pass** (pass) · upper
- Do pass and re-refer to Committee on Appropriations with recommendation: To Consent Calendar. — **pass** (pass) · lower
- Do pass, to Consent Calendar. — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Environmental Quality. — **pass** (pass) · upper
- AB 1863 GAINES Consent Calendar Second Day Regular Session — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Appropriations Recommend Consent. — **pass** (pass) · upper

## Sponsors

- Gaines — primary (person)

## Timeline

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

- **2010-02-12** Read first time. To print. `reading-1`
- **2010-02-16** From printer. May be heard in committee March 18.
- **2010-02-25** Referred to Com. on HEALTH. `referral-committee`
- **2010-03-24** From committee: Do pass, and re-refer to Com. on APPR. with recommendation: To Consent Calendar. Re-referred. (Ayes 18. Noes 0.) (March 23). `committee-passage-favorable, committee-passage`
- **2010-04-14** From committee: Do pass. To Consent Calendar. (April 14). `committee-passage-favorable, committee-passage`
- **2010-04-15** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2010-04-22** Read third time, passed, and to Senate. (Ayes 74. Noes 0. Page 4822.) `reading-3, passage, reading-1`
- **2010-04-22** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2010-05-06** Referred to Coms. on HEALTH and EQ. `referral-committee`
- **2010-06-10** From committee: Do pass, and re-refer to Com. on EQ. Re-referred. (Ayes 5. Noes 0.) (June 9). `committee-passage-favorable, committee-passage`
- **2010-06-29** From committee: Do pass, and re-refer to Com. on APPR with recommendation: To Consent Calendar. Re-referred. (Ayes 7. Noes 0.) (June 28). `committee-passage-favorable, committee-passage`
- **2010-08-02** From committee: Be placed on second reading file pursuant to Senate Rule 28.8 and to Consent Calendar. `committee-passage`
- **2010-08-03** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2010-08-05** Read third time, passed, and to Assembly. (Ayes 33. Noes 0. Page 4374.) `reading-3, passage, reading-1`
- **2010-08-05** In Assembly. To enrollment.
- **2010-08-09** Enrolled and to the Governor at 4:50 p.m.
- **2010-08-23** Approved by the Governor. `executive-signature`
- **2010-08-23** Chaptered by Secretary of State - Chapter 164, Statutes of 2010.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/0bb99141-42dc-4fc7-93f7-00ce4f0f21a8`. Confidence: reported (aggregated from official California legislature records).