---
type: "Bill"
title: "CD CORR-AGG DOM BATTERY"
description: "Amends the Unified Code of Corrections. Provides that a prisoner serving a sentence for aggravated domestic battery shall receive no more than 4.5 days of good conduct credit for each month of his or her sentence of imprisonment. Effective immediately."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "96th"
identifier: "HB 596"
citation: "Illinois HB 596 (96th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 47
vote_count: 2
first_action: "2009-02-05"
last_action: "2010-07-23"
source: "openstates"
source_identifier: "ocd-bill/19bcddf2-c95d-4798-9a38-cb79d020e05c"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=596&GAID=10&DocTypeID=HB&LegId=41025&SessionID=76&GA=96"
source_hash: "97e8dcfc06b2c731d5123764a889a6aefb96fa6b78080c2935e601235ddc2e8c"
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 596 (96th) — CD CORR-AGG DOM BATTERY

Amends the Unified Code of Corrections. Provides that a prisoner serving a sentence for aggravated domestic battery shall receive no more than 4.5 days of good conduct credit for each month of his or her sentence of imprisonment. 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=09600HB0596&GA=96&SessionId=76&DocTypeId=HB&LegID=41025&DocNum=596&GAID=10&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09600HB0596eng&GA=96&SessionId=76&DocTypeId=HB&LegID=41025&DocNum=596&GAID=10&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09600HB0596enr&GA=96&SessionId=76&DocTypeId=HB&LegID=41025&DocNum=596&GAID=10&Session=&print=true)

## Votes

- Third Reading — **109–1** (pass) · lower
- Third Reading — **53–0** (pass) · upper

## Sponsors

- Mattie Hunter — cosponsor (person)
- Michael Bond — cosponsor (person)
- Michael J. Zalewski — primary (person)

## Timeline

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

- **2009-02-05** Filed with the Clerk by Rep. Michael J. Zalewski `filing`
- **2009-02-05** Added Chief Co-Sponsor Rep. Careen M. Gordon
- **2009-02-05** Added Chief Co-Sponsor Rep. John E. Bradley
- **2009-02-05** Added Chief Co-Sponsor Rep. Dennis M. Reboletti
- **2009-02-05** Added Chief Co-Sponsor Rep. Chapin Rose
- **2009-02-06** First Reading `reading-1`
- **2009-02-06** Referred to Rules Committee `referral-committee`
- **2009-02-06** Added Co-Sponsor Rep. Joseph M. Lyons
- **2009-02-09** Added Co-Sponsor Rep. Deborah Mell
- **2009-02-10** Added Co-Sponsor Rep. Linda Chapa LaVia
- **2009-02-11** Added Co-Sponsor Rep. Michael K. Smith
- **2009-02-11** Assigned to Judiciary II - Criminal Law Committee `referral-committee`
- **2009-03-05** Do Pass / Short Debate Judiciary II - Criminal Law Committee; 006-000-001 `committee-passage`
- **2009-03-05** Placed on Calendar 2nd Reading - Short Debate
- **2009-03-05** Added Co-Sponsor Rep. Jim Sacia
- **2009-03-05** Added Co-Sponsor Rep. Ronald A. Wait
- **2009-03-17** Second Reading - Short Debate `reading-2`
- **2009-03-17** Placed on Calendar Order of 3rd Reading - Short Debate
- **2009-03-17** Added Co-Sponsor Rep. Patricia R. Bellock
- **2009-03-26** Third Reading - Short Debate - Passed 109-001-000 `reading-3, passage`
- **2009-03-30** Arrive in Senate `introduction`
- **2009-03-30** Placed on Calendar Order of First Reading `reading-1`
- **2009-03-30** Chief Senate Sponsor Sen. John J. Cullerton
- **2009-03-30** Added as Alternate Chief Co-Sponsor Sen. Don Harmon
- **2009-03-30** First Reading `reading-1`
- **2009-03-30** Referred to Assignments `referral-committee`
- **2009-04-22** Assigned to Criminal Law `referral-committee`
- **2009-04-30** To Criminal Law Subcommittee on Enhancements and Redundancy
- **2009-05-07** Postponed - Criminal Law
- **2009-05-08** Rule 3-9(a) / Re-referred to Assignments `referral-committee`
- **2009-05-11** Alternate Chief Sponsor Changed to Sen. Toi W. Hutchinson
- **2010-04-06** Re-assigned to Criminal Law `referral-committee`
- **2010-04-14** Do Pass Criminal Law; 007-000-000 `committee-passage`
- **2010-04-14** Placed on Calendar Order of 2nd Reading April 15, 2010
- **2010-04-20** Added as Alternate Chief Co-Sponsor Sen. Emil Jones, III
- **2010-04-21** Second Reading `reading-2`
- **2010-04-21** Placed on Calendar Order of 3rd Reading April 22, 2010
- **2010-04-22** Added as Alternate Chief Co-Sponsor Sen. Linda Holmes
- **2010-04-23** Added as Alternate Co-Sponsor Sen. Michael Bond
- **2010-04-27** Added as Alternate Co-Sponsor Sen. Mattie Hunter
- **2010-04-27** Added as Alternate Chief Co-Sponsor Sen. Jacqueline Y. Collins
- **2010-04-27** Third Reading - Passed; 053-000-000 `reading-3, passage`
- **2010-04-27** Passed Both Houses
- **2010-05-26** Sent to the Governor `executive-receipt`
- **2010-07-23** Governor Approved `executive-signature`
- **2010-07-23** Effective Date July 23, 2010
- **2010-07-23** Public Act . . . . . . . . . 96-1224 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/19bcddf2-c95d-4798-9a38-cb79d020e05c`. Confidence: reported (aggregated from official Illinois legislature records).