---
type: "Bill"
title: "PROC PREFERENCE-BIOBASED"
description: "Amends the Illinois Procurement Code. Permits a 5% preference to be given to bidders who will use biobased products, except CDB construction contracts."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "95th"
identifier: "HB 634"
citation: "Illinois HB 634 (95th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 41
vote_count: 2
first_action: "2007-02-06"
last_action: "2007-08-13"
source: "openstates"
source_identifier: "ocd-bill/a68f351a-78d9-4713-ba0e-052df64bab3b"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=634&GAID=9&DocTypeID=HB&LegId=27739&SessionID=51&GA=95"
source_hash: "2a3d56eb45accd9a16a6d44912adf31ba27c3f18f6fba342761bb2c90d06b602"
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 HB 634 (95th) — PROC PREFERENCE-BIOBASED

Amends the Illinois Procurement Code. Permits a 5% preference to be given to bidders who will use biobased products, except CDB construction contracts.

## 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=09500HB0634&GA=95&SessionId=51&DocTypeId=HB&LegID=27739&DocNum=634&GAID=9&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09500HB0634eng&GA=95&SessionId=51&DocTypeId=HB&LegID=27739&DocNum=634&GAID=9&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09500HB0634enr&GA=95&SessionId=51&DocTypeId=HB&LegID=27739&DocNum=634&GAID=9&Session=&print=true)

## Votes

- Third Reading — **58–0** (pass) · upper
- Third Reading — **113–0** (pass) · lower

## Sponsors

- Dave Winters — primary (person)
- Gary G. Dahl — cosponsor (person)
- Kirk W. Dillard — cosponsor (person)
- Linda Holmes — cosponsor (person)
- Michael Bond — cosponsor (person)
- Pamela J. Althoff — cosponsor (person)

## Timeline

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

- **2007-02-06** Filed with the Clerk by Rep. Dave Winters `filing`
- **2007-02-06** First Reading `reading-1`
- **2007-02-06** Referred to Rules Committee `referral-committee`
- **2007-02-08** Assigned to State Government Administration Committee `referral-committee`
- **2007-02-22** Do Pass / Short Debate State Government Administration Committee; 011-000-000 `committee-passage`
- **2007-02-23** Placed on Calendar 2nd Reading - Short Debate
- **2007-03-02** Added Chief Co-Sponsor Rep. Julie Hamos
- **2007-03-02** Added Chief Co-Sponsor Rep. Paul D. Froehlich
- **2007-03-02** Added Chief Co-Sponsor Rep. Kathleen A. Ryg
- **2007-03-02** Added Chief Co-Sponsor Rep. Elaine Nekritz
- **2007-03-02** Second Reading - Short Debate `reading-2`
- **2007-03-02** Placed on Calendar Order of 3rd Reading - Short Debate
- **2007-03-06** Added Co-Sponsor Rep. Mike Fortner
- **2007-03-08** Third Reading - Short Debate - Passed 113-000-000 `reading-3, passage`
- **2007-03-08** Added Co-Sponsor Rep. Patricia R. Bellock
- **2007-03-08** Added Co-Sponsor Rep. Jack D. Franks
- **2007-03-08** Added Co-Sponsor Rep. Linda Chapa LaVia
- **2007-03-08** Added Co-Sponsor Rep. Robert W. Pritchard
- **2007-03-13** Arrive in Senate `introduction`
- **2007-03-13** Placed on Calendar Order of First Reading March 14, 2007 `reading-1`
- **2007-03-22** Chief Senate Sponsor Sen. Michael W. Frerichs
- **2007-03-27** First Reading `reading-1`
- **2007-03-27** Referred to Rules `referral-committee`
- **2007-03-28** Added as Alternate Chief Co-Sponsor Sen. Todd Sieben
- **2007-03-30** Assigned to State Government and Veterans Affairs `referral-committee`
- **2007-04-18** Added as Alternate Co-Sponsor Sen. Linda Holmes
- **2007-04-18** Added as Alternate Co-Sponsor Sen. Michael Bond
- **2007-04-19** Do Pass State Government and Veterans Affairs; 007-000-000 `committee-passage`
- **2007-04-19** Placed on Calendar Order of 2nd Reading April 20, 2007
- **2007-04-20** Added as Alternate Co-Sponsor Sen. Gary G. Dahl
- **2007-05-03** Added as Alternate Co-Sponsor Sen. Pamela J. Althoff
- **2007-05-15** Second Reading `reading-2`
- **2007-05-15** Placed on Calendar Order of 3rd Reading May 16, 2007
- **2007-05-16** Added as Alternate Co-Sponsor Sen. Kirk W. Dillard
- **2007-05-16** Third Reading - Passed; 058-000-000 `reading-3, passage`
- **2007-05-16** Passed Both Houses
- **2007-05-23** Added Co-Sponsor Rep. Susana A Mendoza
- **2007-06-14** Sent to the Governor `executive-receipt`
- **2007-08-13** Governor Approved `executive-signature`
- **2007-08-13** Effective Date January 1, 2008
- **2007-08-13** Public Act . . . . . . . . . 95-0071 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a68f351a-78d9-4713-ba0e-052df64bab3b`. Confidence: reported (aggregated from official Illinois legislature records).