---
type: "Bill"
title: "PUB AID-ADMIN SUPPORT ORDERS"
description: "Amends the Illinois Public Aid Code. Adds a provision concerning the judicial registration of administrative support orders. Sets forth filing and notification requirements. Provides that a nonregistering party seeking to contest enforcement of a registered administrative support order shall request a hearing within 30 days after the date of service of notice of the registration and that a party contesting the enforcement of a registered administrative support order or seeking to vacate the registration has the burden of proving one or more specified defenses. Effective immediately."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "97th"
identifier: "HB 4129"
citation: "Illinois HB 4129 (97th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 36
vote_count: 3
first_action: "2012-01-25"
last_action: "2012-08-10"
source: "openstates"
source_identifier: "ocd-bill/38c75ae5-70a8-4ad5-82e4-e8b67b59307f"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=4129&GAID=11&DocTypeID=HB&LegId=63415&SessionID=84&GA=97"
source_hash: "ee3e0f5d2b3828258b10fe7bf8793827d369a8e90b6424193c5e3b778a739842"
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 4129 (97th) — PUB AID-ADMIN SUPPORT ORDERS

Amends the Illinois Public Aid Code. Adds a provision concerning the judicial registration of administrative support orders. Sets forth filing and notification requirements. Provides that a nonregistering party seeking to contest enforcement of a registered administrative support order shall request a hearing within 30 days after the date of service of notice of the registration and that a party contesting the enforcement of a registered administrative support order or seeking to vacate the registration has the burden of proving one or more specified defenses. 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=09700HB4129&GA=97&SessionId=84&DocTypeId=HB&LegID=63415&DocNum=4129&GAID=11&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09700HB4129eng&GA=97&SessionId=84&DocTypeId=HB&LegID=63415&DocNum=4129&GAID=11&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09700HB4129enr&GA=97&SessionId=84&DocTypeId=HB&LegID=63415&DocNum=4129&GAID=11&Session=&print=true)

## Votes

- Third Reading — **105–0** (pass) · lower
- Concurrence — **118–0** (pass) · lower
- Third Reading — **57–0** (pass) · upper

## Sponsors

- Jerry F. Costello, II — primary (person)

## Timeline

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

- **2012-01-25** Filed with the Clerk by Rep. Jerry F. Costello, II `filing`
- **2012-01-30** First Reading `reading-1`
- **2012-01-30** Referred to Rules Committee `referral-committee`
- **2012-02-22** Assigned to Judiciary I - Civil Law Committee `referral-committee`
- **2012-03-07** Do Pass / Short Debate Judiciary I - Civil Law Committee; 010-000-000 `committee-passage`
- **2012-03-07** Placed on Calendar 2nd Reading - Short Debate
- **2012-03-09** Second Reading - Short Debate `reading-2`
- **2012-03-09** Placed on Calendar Order of 3rd Reading - Short Debate
- **2012-03-21** Third Reading - Short Debate - Passed 105-000-000 `reading-3, passage`
- **2012-03-21** Arrive in Senate `introduction`
- **2012-03-21** Placed on Calendar Order of First Reading March 22, 2012 `reading-1`
- **2012-03-21** Chief Senate Sponsor Sen. Dan Kotowski
- **2012-03-22** First Reading `reading-1`
- **2012-03-22** Referred to Assignments `referral-committee`
- **2012-04-11** Assigned to Human Services `referral-committee`
- **2012-04-25** Postponed - Human Services
- **2012-04-30** Senate Committee Amendment No. 1 Filed with Secretary by Sen. Dan Kotowski `amendment-introduction`
- **2012-04-30** Senate Committee Amendment No. 1 Referred to Assignments `referral-committee`
- **2012-05-01** Senate Committee Amendment No. 1 Assignments Refers to Human Services
- **2012-05-01** Senate Committee Amendment No. 1 Adopted `amendment-passage`
- **2012-05-01** Do Pass as Amended Human Services; 008-000-000 `committee-passage`
- **2012-05-01** Placed on Calendar Order of 2nd Reading May 2, 2012
- **2012-05-10** Second Reading `reading-2`
- **2012-05-10** Placed on Calendar Order of 3rd Reading May 15, 2012
- **2012-05-15** Third Reading - Passed; 057-000-001 `reading-3, passage`
- **2012-05-15** Arrived in House `introduction`
- **2012-05-15** Placed on Calendar Order of Concurrence Senate Amendment(s) 1
- **2012-05-16** Senate Committee Amendment No. 1 Motion Filed Concur Rep. Jerry F. Costello, II
- **2012-05-16** Senate Committee Amendment No. 1 Motion to Concur Referred to Rules Committee `referral-committee`
- **2012-05-21** Senate Committee Amendment No. 1 Motion to Concur Recommends Be Adopted Rules Committee; 004-000-000
- **2012-05-22** Senate Committee Amendment No. 1 House Concurs 118-000-000
- **2012-05-22** Passed Both Houses
- **2012-06-20** Sent to the Governor `executive-receipt`
- **2012-08-10** Governor Approved `executive-signature`
- **2012-08-10** Effective Date August 10, 2012
- **2012-08-10** Public Act . . . . . . . . . 97-0926 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/38c75ae5-70a8-4ad5-82e4-e8b67b59307f`. Confidence: reported (aggregated from official Illinois legislature records).