Existing law prohibits the governing authority of a school or other institution from unconditionally admitting any person as a pupil of any private or public elementary or secondary school, child care center, day nursery, nursery school, family day care home, or development center, unless prior to his or her first admission to that institution he or she has been fully immunized against various diseases, as specified.
California AB 2109 (20112012) — Communicable disease: immunization exemption.
Existing law prohibits the governing authority of a school or other institution from unconditionally admitting any person as a pupil of any private or public elementary or secondary school, child care center, day nursery, nursery school, family day care home, or development center, unless prior to his or her first admission to that institution he or she has been fully immunized against various diseases, as specified.
Version chain
The bill's text revisions, in order — the diff chain from filing to enrollment.
Do pass, but re-refer to the Committee on Appropriations. — 7–1 (pass) · upper
Do pass. — 12–5 (pass) · lower
AB 2109 PAN Concurrence in Senate Amendments — 51–29 (pass) · lower
AB 2109 PAN Assembly Third Reading — 47–26 (pass) · lower
Do pass. — 5–2 (pass) · upper
3rd Reading AB2109 Pan By Wolk — 22–14 (pass) · upper
Do pass as amended and be re-referred to the Committee on Appropriations. — 13–5 (pass) · lower
Sponsors
Pan — primary (person)
Fuentes — coauthor (person)
Wolk — principal coauthor (person)
Timeline
The legislative action history — every referral, reading, and vote.
2012-02-23 Read first time. To print. reading-1
2012-02-24 From printer. May be heard in committee March 25.
2012-03-12 Referred to Com. on HEALTH. referral-committee
2012-04-19 From committee: Do pass as amended and re-refer to Com. on APPR. (Ayes 13. Noes 5.) (April 17). amendment-passage, committee-passage, committee-passage-favorable
2012-04-23 Read second time and amended. reading-2, reading-1, amendment-passage
2012-04-24 Re-referred to Com. on APPR. referral-committee
2012-05-02 From committee: Do pass. (Ayes 12. Noes 5.) (May 2). committee-passage, committee-passage-favorable
2012-05-03 Read second time. Ordered to third reading. reading-2, reading-1
2012-05-10 Read third time. Passed. Ordered to the Senate. (Ayes 47. Noes 26. Page 4770.) reading-3, reading-1, passage
2012-05-10 In Senate. Read first time. To Com. on RLS. for assignment. reading-1
2012-05-31 Referred to Com. on HEALTH. referral-committee
2012-06-20 From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on HEALTH. reading-2, amendment-introduction, reading-1, amendment-passage, referral-committee
2012-06-28 From committee: Do pass and re-refer to Com. on APPR. (Ayes 7. Noes 1.) (June 27). Re-referred to Com. on APPR. referral-committee, committee-passage, committee-passage-favorable
2012-08-07 From committee: Do pass. (Ayes 5. Noes 2.) (August 6). committee-passage, committee-passage-favorable
2012-08-08 Read second time. Ordered to third reading. reading-2, reading-1
2012-08-20 Read third time and amended. Ordered to second reading. reading-3, reading-1, amendment-passage
2012-08-21 Read second time. Ordered to third reading. reading-2, reading-1
2012-08-22 Read third time. Passed. Ordered to the Assembly. (Ayes 22. Noes 14. Page 4709.). reading-3, reading-1, passage
2012-08-23 In Assembly. Concurrence in Senate amendments pending. May be considered on or after August 25 pursuant to Assembly Rule 77.
2012-08-27 Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 51. Noes 29. Page 6330.). committee-passage-favorable, amendment-passage
2012-09-06 Enrolled and presented to the Governor at 5:45 p.m.
2012-09-30 Approved by the Governor. executive-signature
2012-09-30 Chaptered by Secretary of State - Chapter 821, Statutes of 2012.
Source
OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/c5f0b682-f0f8-4060-b79a-8890c0fa66a3. Confidence: reported (aggregated from official California legislature records).