---
type: "Bill"
title: "PEN CD-COOK CO-PURCHASE CREDIT"
description: "Amends the Cook County Article of the Illinois Pension Code. Limits a provision allowing purchase of credit for certain former county service to a person who first becomes a contributor before the effective date of the amendatory Act. Defines the term \"in service\". Effective immediately."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "99th"
identifier: "SB 2817"
citation: "Illinois SB 2817 (99th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 29
vote_count: 2
first_action: "2016-02-17"
last_action: "2016-07-15"
source: "openstates"
source_identifier: "ocd-bill/a0eca8ee-1189-492d-9e39-ec5aef966ec1"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=2817&GAID=13&DocTypeID=SB&LegId=96128&SessionID=88&GA=99"
source_hash: "11bf8f947cabed253100740d00390db7d5a574f326b92ace5b1756768eb076ab"
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 2817 (99th) — PEN CD-COOK CO-PURCHASE CREDIT

Amends the Cook County Article of the Illinois Pension Code. Limits a provision allowing purchase of credit for certain former county service to a person who first becomes a contributor before the effective date of the amendatory Act. Defines the term "in service". 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=09900SB2817&GA=99&SessionId=88&DocTypeId=SB&LegID=96128&DocNum=2817&GAID=13&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09900SB2817eng&GA=99&SessionId=88&DocTypeId=SB&LegID=96128&DocNum=2817&GAID=13&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09900SB2817enr&GA=99&SessionId=88&DocTypeId=SB&LegID=96128&DocNum=2817&GAID=13&Session=&print=true)

## Votes

- Third Reading — **112–1** (pass) · lower
- Third Reading — **53–0** (pass) · upper

## Sponsors

- John G. Mulroe — primary (person)

## Timeline

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

- **2016-02-17** Filed with Secretary by Sen. John G. Mulroe `filing`
- **2016-02-17** First Reading `reading-1`
- **2016-02-17** Referred to Assignments `referral-committee`
- **2016-03-01** Assigned to Licensed Activities and Pensions `referral-committee`
- **2016-03-17** Do Pass Licensed Activities and Pensions; 010-000-000 `committee-passage`
- **2016-03-17** Placed on Calendar Order of 2nd Reading April 5, 2016
- **2016-04-13** Senate Floor Amendment No. 1 Filed with Secretary by Sen. John G. Mulroe `amendment-introduction`
- **2016-04-13** Senate Floor Amendment No. 1 Referred to Assignments `referral-committee`
- **2016-04-19** Senate Floor Amendment No. 1 Assignments Refers to Licensed Activities and Pensions
- **2016-04-19** Senate Floor Amendment No. 1 Recommend Do Adopt Licensed Activities and Pensions; 009-000-000
- **2016-04-20** Second Reading `reading-2`
- **2016-04-20** Senate Floor Amendment No. 1 Adopted; Mulroe `amendment-passage`
- **2016-04-20** Placed on Calendar Order of 3rd Reading April 21, 2016
- **2016-04-21** Third Reading - Passed; 053-000-001 `reading-3, passage`
- **2016-04-21** Arrived in House `introduction`
- **2016-04-21** Chief House Sponsor Rep. Elaine Nekritz
- **2016-04-21** First Reading `reading-1`
- **2016-04-21** Referred to Rules Committee `referral-committee`
- **2016-05-02** Assigned to Personnel and Pensions Committee `referral-committee`
- **2016-05-11** Do Pass / Short Debate Personnel and Pensions Committee; 009-000-000 `committee-passage`
- **2016-05-12** Placed on Calendar 2nd Reading - Short Debate
- **2016-05-17** Second Reading - Short Debate `reading-2`
- **2016-05-17** Placed on Calendar Order of 3rd Reading - Short Debate
- **2016-05-19** Third Reading - Short Debate - Passed 112-001-000 `reading-3, passage`
- **2016-05-19** Passed Both Houses
- **2016-06-17** Sent to the Governor `executive-receipt`
- **2016-07-15** Governor Approved `executive-signature`
- **2016-07-15** Effective Date July 15, 2016
- **2016-07-15** Public Act . . . . . . . . . 99-0578 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a0eca8ee-1189-492d-9e39-ec5aef966ec1`. Confidence: reported (aggregated from official Illinois legislature records).