---
type: "Bill"
title: "TOWNSHIP CAUCUS PROCEDURES"
description: "Amends the Township Code. Provides that a participant in a caucus shall be entitled to only one vote for each office for which he or she is voting. Provides that a participant's vote shall not be weighted to be equal to more than one vote. Effective immediately."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "100th"
identifier: "SB 666"
citation: "Illinois SB 666 (100th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 25
vote_count: 2
first_action: "2017-01-25"
last_action: "2017-08-18"
source: "openstates"
source_identifier: "ocd-bill/76838902-6bf4-4748-b124-8fb15523eee2"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=666&GAID=14&DocTypeID=SB&LegId=100993&SessionID=91&GA=100"
source_hash: "5af7af6b8cc7bf715adff4ca96dc476fd4f1e08bfe647aca2c5be3005fd13ef9"
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-il"]
---

# Illinois SB 666 (100th) — TOWNSHIP CAUCUS PROCEDURES

Amends the Township Code. Provides that a participant in a caucus shall be entitled to only one vote for each office for which he or she is voting. Provides that a participant's vote shall not be weighted to be equal to more than one vote. Effective immediately.

## Version chain

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

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10000SB0666&GA=100&SessionId=91&DocTypeId=SB&LegID=100993&DocNum=666&GAID=14&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10000SB0666eng&GA=100&SessionId=91&DocTypeId=SB&LegID=100993&DocNum=666&GAID=14&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=10000SB0666enr&GA=100&SessionId=91&DocTypeId=SB&LegID=100993&DocNum=666&GAID=14&Session=&print=true)

## Votes

- Third Reading — **61–45** (pass) · lower
- Third Reading — **54–0** (pass) · upper

## Sponsors

- Pamela J. Althoff — primary (person)

## Timeline

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

- **2017-01-25** Filed with Secretary by Sen. Pamela J. Althoff `filing`
- **2017-01-25** First Reading `reading-1`
- **2017-01-25** Referred to Assignments `referral-committee`
- **2017-02-01** Assigned to Government Reform `referral-committee`
- **2017-03-01** Do Pass Government Reform; 010-000-000 `committee-passage`
- **2017-03-01** Placed on Calendar Order of 2nd Reading March 2, 2017
- **2017-03-09** Added as Chief Co-Sponsor Sen. Laura M. Murphy
- **2017-03-14** Second Reading `reading-2`
- **2017-03-14** Placed on Calendar Order of 3rd Reading March 15, 2017
- **2017-04-25** Third Reading - Passed; 054-000-000 `reading-3, passage`
- **2017-04-25** Arrived in House `introduction`
- **2017-04-25** Chief House Sponsor Rep. Barbara Wheeler
- **2017-04-25** First Reading `reading-1`
- **2017-04-25** Referred to Rules Committee `referral-committee`
- **2017-05-09** Assigned to Counties & Townships Committee `referral-committee`
- **2017-05-17** Do Pass / Short Debate Counties & Townships Committee; 006-000-000 `committee-passage`
- **2017-05-18** Placed on Calendar 2nd Reading - Short Debate
- **2017-05-19** Second Reading - Short Debate `reading-2`
- **2017-05-19** Placed on Calendar Order of 3rd Reading - Short Debate
- **2017-05-24** Third Reading - Short Debate - Passed 061-045-002 `reading-3, passage`
- **2017-05-24** Passed Both Houses
- **2017-06-22** Sent to the Governor `executive-receipt`
- **2017-08-18** Governor Approved `executive-signature`
- **2017-08-18** Effective Date August 18, 2017
- **2017-08-18** Public Act . . . . . . . . . 100-0219 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/76838902-6bf4-4748-b124-8fb15523eee2`. Confidence: reported (aggregated from official Illinois legislature records).