---
type: "Bill"
title: "Teacher credentialing."
description: "Existing law establishes minimum requirements for the issuance of a preliminary teaching credential, multiple or single subject, which include possession of a baccalaureate degree in a subject other than professional education."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20172018"
identifier: "AB 170"
citation: "California AB 170 (20172018)"
classification: ["bill"]
subjects: ["Teacher credentialing."]
status: "enacted"
primary_sponsors: ["O'Donnell"]
version_count: 4
action_count: 18
vote_count: 0
first_action: "2017-01-17"
last_action: "2017-07-24"
source: "openstates"
source_identifier: "ocd-bill/fc0fca2b-b8d6-4f6e-aec3-4de3755daea3"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB170"
source_hash: "fdbee85e8238709f502ffa2da7eccae3ed55fbbaf417734f4245b8419a4319de"
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 170 (20172018) — Teacher credentialing.

Existing law establishes minimum requirements for the issuance of a preliminary teaching credential, multiple or single subject, which include possession of a baccalaureate degree in a subject other than professional education.

## Version chain

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

1. **01/17/17 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB170&version=20170AB17099INT)
2. **07/24/17 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB170&version=20170AB17097CHP)
3. **AB170** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201720180AB170)
4. **07/06/17 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201720180AB170&version=20170AB17098ENR)

## Sponsors

- O'Donnell — primary (person)

## Timeline

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

- **2017-01-17** Read first time. To print. `reading-1`
- **2017-01-18** From printer. May be heard in committee February 17.
- **2017-01-30** Referred to Com. on ED. `referral-committee`
- **2017-03-22** In committee: Hearing postponed by committee.
- **2017-04-06** From committee: Do pass and re-refer to Com. on APPR. (Ayes 7. Noes 0.) (April 5). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-04-26** From committee: Do pass. To Consent Calendar. (Ayes 16. Noes 0.) (April 26). `committee-passage-favorable, committee-passage`
- **2017-04-27** Read second time. Ordered to Consent Calendar. `reading-2, reading-1`
- **2017-05-04** Read third time. Passed. Ordered to the Senate. (Ayes 76. Noes 0. Page 1388.) `reading-3, passage, reading-1`
- **2017-05-04** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2017-05-18** Referred to Com. on ED. `referral-committee`
- **2017-06-07** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 7. Noes 0.) (June 7). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee`
- **2017-06-26** From committee: Be placed on second reading file pursuant to Senate Rule 28.8 and ordered to consent calendar. `committee-passage`
- **2017-06-27** Read second time. Ordered to Consent Calendar. `reading-2, reading-1`
- **2017-07-03** Read third time. Passed. Ordered to the Assembly. (Ayes 33. Noes 0. Page 1841.). `reading-3, passage, reading-1`
- **2017-07-03** In Assembly. Ordered to Engrossing and Enrolling. `committee-passage`
- **2017-07-12** Enrolled and presented to the Governor at 11:30 a.m.
- **2017-07-24** Approved by the Governor. `executive-signature`
- **2017-07-24** Chaptered by Secretary of State - Chapter 123, Statutes of 2017.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/fc0fca2b-b8d6-4f6e-aec3-4de3755daea3`. Confidence: reported (aggregated from official California legislature records).