---
type: "Bill"
title: "Relating to mandatory subjects of collective bargaining."
description: "Amends definition of \"employment relations\" to include class size and caseload limits as mandatory collective bargaining subjects <i>for school districts</i>] <b>in schools that qualify for certain federal assistance</b>."
jurisdiction: "us/states/or"
legislature: "Oregon Legislative Assembly"
session: "2021 Regular Session"
identifier: "SB 580"
citation: "Oregon SB 580 (2021 Regular Session)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Brian Clem", "Courtney Neron", "James Manning Jr.", "Lew Frederick", "Michael Dembrow", "Rob Wagner"]
version_count: 5
action_count: 27
vote_count: 5
first_action: "2021-01-11T17:28:22+00:00"
last_action: "2021-08-18T20:33:06+00:00"
source: "openstates"
source_identifier: "ocd-bill/93f20766-65c0-4ed9-9000-d9dd19c39df8"
source_url: "https://olis.oregonlegislature.gov/liz/2021R1/Measures/Overview/SB580"
source_hash: "bd41a8b7e0d08c11aa605f4d6e7bdea338fb6106b059b15aef021c2f6c69bc4e"
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-or"]
---

# Oregon SB 580 (2021 Regular Session) — Relating to mandatory subjects of collective bargaining.

Amends definition of "employment relations" to include class size and caseload limits as mandatory collective bargaining subjects <i>for school districts</i>] <b>in schools that qualify for certain federal assistance</b>.

## Version chain

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

1. **House Amendments to Introduced** (filed) — [source](https://olis.oregonlegislature.gov/liz/2021R1/Downloads/MeasureDocument/SB580/House%20Amendments%20to%20Introduced)
2. **Introduced** (filed) — [source](https://olis.oregonlegislature.gov/liz/2021R1/Downloads/MeasureDocument/SB580/Introduced)
3. **A-Engrossed** (committee substitute) — [source](https://olis.oregonlegislature.gov/liz/2021R1/Downloads/MeasureDocument/SB580/A-Engrossed)
4. **HBL Amendment 4** (committee substitute) — [source](https://olis.oregonlegislature.gov/liz/2021R1/Downloads/ProposedAmendment/20865)
5. **Enrolled** (enrolled) — [source](https://olis.oregonlegislature.gov/liz/2021R1/Downloads/MeasureDocument/SB580/Enrolled)

## Votes

- Senate concurred in House amendments and repassed bill. — **18–11** (pass) · upper
- Heard and Reported Out with Amendments — **7–4** (pass) · lower
- Third reading. Carried by Dembrow. Passed. — **17–11** (pass) · upper
- Third reading. Carried by Clem. Passed. — **36–21** (pass) · lower
- Heard and Reported Out — **3–2** (pass) · upper

## Sponsors

- Brian Clem — primary (person)
- Courtney Neron — primary (person)
- James Manning Jr. — primary (person)
- Lew Frederick — primary (person)
- Michael Dembrow — primary (person)
- Rob Wagner — primary (person)
- Andrea Salinas — cosponsor (person)
- Andrea Valderrama — cosponsor (person)
- Bill Kennemer — cosponsor (person)
- Chris Gorsek — cosponsor (person)
- Chuck Riley — cosponsor (person)
- Dacia Grayber — cosponsor (person)
- David Gomberg — cosponsor (person)
- Deb Patterson — cosponsor (person)
- Floyd Prozanski — cosponsor (person)
- Karin Power — cosponsor (person)
- Kate Lieber — cosponsor (person)
- Kayse Jama — cosponsor (person)
- Khanh Pham — cosponsor (person)
- Mark Meek — cosponsor (person)
- Marty Wilde — cosponsor (person)
- Maxine Dexter — cosponsor (person)
- Paul Holvey — cosponsor (person)
- Ricki Ruiz — cosponsor (person)
- Sara Gelser Blouin — cosponsor (person)
- Tawna Sanchez — cosponsor (person)
- Teresa Alonso Leon — cosponsor (person)
- Wlnsvey Campos — cosponsor (person)
- Zach Hudson — cosponsor (person)

## Timeline

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

- **2021-01-11T17:28:22+00:00** Introduction and first reading. Referred to President's desk. `introduction, reading-1, referral-committee`
- **2021-01-19T19:35:42+00:00** Referred to Education. `referral-committee`
- **2021-03-03T23:16:00+00:00** Public Hearing held.
- **2021-03-10T23:16:00+00:00** Public Hearing held.
- **2021-03-31T22:17:00+00:00** Work Session held.
- **2021-04-19T15:19:10+00:00** Recommendation: Do pass. `committee-passage-favorable`
- **2021-04-19T17:47:44+00:00** Second reading. `reading-2`
- **2021-04-21T17:48:00+00:00** Taken from 04-21 Calendar and placed on 04-26 Calendar on voice vote.
- **2021-04-26T18:31:50+00:00** Third reading. Carried by Dembrow. Passed. `passage, reading-3`
- **2021-04-26T18:32:50+00:00** Vote explanation(s) filed by Patterson.
- **2021-04-27T16:54:08+00:00** First reading. Referred to Speaker's desk. `introduction, reading-1, referral-committee`
- **2021-05-05T02:48:30+00:00** Referred to Business and Labor. `referral-committee`
- **2021-05-19T22:16:00+00:00** Public Hearing held.
- **2021-05-24T22:17:00+00:00** Work Session held.
- **2021-05-27T15:26:40+00:00** Recommendation: Do pass with amendments and be printed A-Engrossed. `committee-passage-favorable`
- **2021-06-01T18:17:57+00:00** Second reading. `reading-2`
- **2021-06-02T23:12:59+00:00** Rules suspended. Carried over to June 3, 2021 Calendar.
- **2021-06-03T22:49:23+00:00** Rules suspended. Carried over to June 7, 2021 Calendar.
- **2021-06-07T22:59:43+00:00** Third reading. Carried by Clem. Passed. `passage, reading-3`
- **2021-06-07T23:00:43+00:00** Vote explanation(s) filed by Reardon, Sollman.
- **2021-06-09T18:01:00+00:00** Possible consideration of House Amendments taken from 06-09 Calendar and placed on 06-10 Calendar on voice vote.
- **2021-06-10T17:54:43+00:00** Senate concurred in House amendments and repassed bill.
- **2021-06-15T16:46:29+00:00** President signed. `passage`
- **2021-06-21T16:12:59+00:00** Speaker signed. `passage`
- **2021-07-14T22:29:00+00:00** Governor signed. `executive-signature`
- **2021-08-18T20:29:51+00:00** Chapter 490, 2021 Laws.
- **2021-08-18T20:33:06+00:00** Effective date, January 1, 2022.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/93f20766-65c0-4ed9-9000-d9dd19c39df8`. Confidence: reported (aggregated from official Oregon legislature records).