Legislation: batch B — IL IN KS KY LA MA MD ME MI MN

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/il/99th/sb-550.md

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+---
+type: "Bill"
+title: "SAFETY-TECH"
+description: "Amends the Illinois Nuclear Facility Safety Act. Makes a technical change in a Section on legislative findings."
+jurisdiction: "us/states/il"
+legislature: "Illinois General Assembly"
+session: "99th"
+identifier: "SB 550"
+citation: "Illinois SB 550 (99th)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: []
+version_count: 3
+action_count: 139
+vote_count: 5
+first_action: "2015-01-28"
+last_action: "2017-01-17"
+source: "openstates"
+source_identifier: "ocd-bill/05d7ef9f-5813-4915-aa49-1860b965ea0f"
+source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=550&GAID=13&DocTypeID=SB&LegId=84513&SessionID=88&GA=99"
+source_hash: "9676aa9e5283e211e10ed3bc5b218d8fce3fc9852833b42ba673d32699ff509f"
+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 550 (99th) — SAFETY-TECH
+
+Amends the Illinois Nuclear Facility Safety Act. Makes a technical change in a Section on legislative findings.
+
+## 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=09900SB0550&GA=99&SessionId=88&DocTypeId=SB&LegID=84513&DocNum=550&GAID=13&Session=&print=true)
+2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09900SB0550eng&GA=99&SessionId=88&DocTypeId=SB&LegID=84513&DocNum=550&GAID=13&Session=&print=true)
+3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09900SB0550enr&GA=99&SessionId=88&DocTypeId=SB&LegID=84513&DocNum=550&GAID=13&Session=&print=true)
+
+## Votes
+
+- Third Reading — **48–5** (pass) · upper
+- Concurrence, Amendment 3 — **55–0** (pass) · upper
+- Concurrence, Amendment 4 — **55–0** (pass) · upper
+- Concurrence — **55–0** (pass) · upper
+- Third Reading — **108–1** (pass) · lower
+
+## Sponsors
+
+- Ann M. Williams — cosponsor (person)
+- Camille Y. Lilly — cosponsor (person)
+- Carol Ammons — cosponsor (person)
+- Carol Sente — cosponsor (person)
+- Cynthia Soto — cosponsor (person)
+- Deb Conroy — cosponsor (person)
+- Eddie Lee Jackson, Sr. — cosponsor (person)
+- Elgie R. Sims, Jr. — cosponsor (person)
+- Emanuel Chris Welch — cosponsor (person)
+- Emily McAsey — cosponsor (person)
+- Heather A. Steans — primary (person)
+- Jack D. Franks — cosponsor (person)
+- Katherine Cloonen — cosponsor (person)
+- Kathleen Willis — cosponsor (person)
+- La Shawn K. Ford — cosponsor (person)
+- Laura Fine — cosponsor (person)
+- Linda Chapa LaVia — cosponsor (person)
+- Marcus C. Evans, Jr. — cosponsor (person)
+- Melissa Conyears — cosponsor (person)
+- Michelle Mussman — cosponsor (person)
+- Monique D. Davis — cosponsor (person)
+- Rita Mayfield — cosponsor (person)
+- Robyn Gabel — cosponsor (person)
+- Stephanie A. Kifowit — cosponsor (person)
+- Sue Scherer — cosponsor (person)
+- Will Guzzardi — cosponsor (person)
+- William Davis — cosponsor (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2015-01-28** Filed with Secretary by Sen. John J. Cullerton `filing`
+- **2015-01-28** First Reading `reading-1`
+- **2015-01-28** Referred to Assignments `referral-committee`
+- **2015-03-18** Assigned to Executive `referral-committee`
+- **2015-03-26** Do Pass Executive; 016-000-000 `committee-passage`
+- **2015-03-26** Placed on Calendar Order of 2nd Reading April 14, 2015
+- **2015-04-15** Second Reading `reading-2`
+- **2015-04-15** Placed on Calendar Order of 3rd Reading April 16, 2015
+- **2015-04-21** Re-referred to Assignments `referral-committee`
+- **2016-04-06** Approved for Consideration Assignments
+- **2016-04-06** Placed on Calendar Order of 3rd Reading April 7, 2016
+- **2016-04-06** Chief Sponsor Changed to Sen. Heather A. Steans
+- **2016-04-15** Senate Floor Amendment No. 1 Filed with Secretary by Sen. Heather A. Steans `amendment-introduction`
+- **2016-04-15** Senate Floor Amendment No. 1 Referred to Assignments `referral-committee`
+- **2016-04-19** Senate Floor Amendment No. 1 Assignments Refers to Environment and Conservation
+- **2016-04-20** Senate Floor Amendment No. 1 Postponed - Environment and Conservation
+- **2016-04-22** Rule 2-10 Committee/3rd Reading Deadline Established As May 13, 2016
+- **2016-04-27** Added as Co-Sponsor Sen. Michael Noland
+- **2016-05-05** Added as Chief Co-Sponsor Sen. Jacqueline Y. Collins
+- **2016-05-09** Added as Chief Co-Sponsor Sen. Donne E. Trotter
+- **2016-05-13** Rule 2-10 Committee/3rd Reading Deadline Established As May 27, 2016
+- **2016-05-16** Added as Chief Co-Sponsor Sen. Patricia Van Pelt
+- **2016-05-20** Senate Floor Amendment No. 2 Filed with Secretary by Sen. Heather A. Steans `amendment-introduction`
+- **2016-05-20** Senate Floor Amendment No. 2 Referred to Assignments `referral-committee`
+- **2016-05-23** Added as Chief Co-Sponsor Sen. Ira I. Silverstein
+- **2016-05-24** Added as Co-Sponsor Sen. Linda Holmes
+- **2016-05-24** Added as Co-Sponsor Sen. Daniel Biss
+- **2016-05-24** Senate Floor Amendment No. 2 Assignments Refers to Environment and Conservation
+- **2016-05-24** Added as Co-Sponsor Sen. Bill Cunningham
+- **2016-05-25** Senate Floor Amendment No. 2 Recommend Do Adopt Environment and Conservation; 009-003-000
+- **2016-05-27** Rule 2-10 Committee/3rd Reading Deadline Established As May 31, 2016
+- **2016-05-29** Senate Floor Amendment No. 3 Filed with Secretary by Sen. Heather A. Steans `amendment-introduction`
+- **2016-05-29** Senate Floor Amendment No. 3 Referred to Assignments `referral-committee`
+- **2016-05-30** Senate Floor Amendment No. 3 Assignments Refers to Public Health
+- **2016-05-30** Added as Co-Sponsor Sen. Napoleon Harris, III
+- **2016-05-31** Senate Floor Amendment No. 3 Recommend Do Adopt Public Health; 006-000-002
+- **2016-05-31** Added as Co-Sponsor Sen. Mattie Hunter
+- **2016-05-31** Recalled to Second Reading `reading-2`
+- **2016-05-31** Senate Floor Amendment No. 2 Withdrawn by Sen. Heather A. Steans
+- **2016-05-31** Senate Floor Amendment No. 3 Adopted; Steans `amendment-passage`
+- **2016-05-31** Placed on Calendar Order of 3rd Reading
+- **2016-05-31** Third Reading - Passed; 048-005-000 `reading-3, passage`
+- **2016-05-31** Senate Floor Amendment No. 1 Tabled Pursuant to Rule 5-4(a) `amendment-failure`
+- **2016-05-31** Arrived in House `introduction`
+- **2016-05-31** Chief House Sponsor Rep. Sonya M. Harper
+- **2016-06-23** Added Alternate Co-Sponsor Rep. Ann M. Williams
+- **2016-06-29** First Reading `reading-1`
+- **2016-06-29** Referred to Rules Committee `referral-committee`
+- **2016-10-26** Added Alternate Chief Co-Sponsor Rep. Robyn Gabel
+- **2016-11-16** Added Alternate Co-Sponsor Rep. Mary E. Flowers
+- **2016-11-16** Added Alternate Co-Sponsor Rep. Emanuel Chris Welch
+- **2016-11-16** Added Alternate Co-Sponsor Rep. Will Guzzardi
+- **2016-11-21** Added Alternate Co-Sponsor Rep. Laura Fine
+- **2016-11-22** Assigned to Environment `referral-committee`
+- **2016-11-28** House Committee Amendment No. 1 Filed with Clerk by Rep. Sonya M. Harper `amendment-introduction`
+- **2016-11-28** House Committee Amendment No. 1 Referred to Rules Committee `referral-committee`
+- **2016-11-29** House Committee Amendment No. 1 Rules Refers to Environment
+- **2016-11-29** Added Alternate Chief Co-Sponsor Rep. Jehan Gordon-Booth
+- **2016-11-29** Added Alternate Chief Co-Sponsor Rep. Carol Ammons
+- **2016-11-29** Added Alternate Chief Co-Sponsor Rep. Mary E. Flowers
+- **2016-11-29** Alternate Co-Sponsor Removed Rep. Mary E. Flowers
+- **2016-11-29** Added Alternate Co-Sponsor Rep. Rita Mayfield
+- **2016-11-29** Added Alternate Co-Sponsor Rep. Monique D. Davis
+- **2016-11-29** Added Alternate Co-Sponsor Rep. Emily McAsey
+- **2016-11-29** Added Alternate Co-Sponsor Rep. Litesa E. Wallace
+- **2016-11-29** House Committee Amendment No. 2 Filed with Clerk by Rep. Sonya M. Harper `amendment-introduction`
+- **2016-11-29** House Committee Amendment No. 2 Referred to Rules Committee `referral-committee`
+- **2016-11-30** House Committee Amendment No. 2 Rules Refers to Environment
+- **2016-11-30** Added Alternate Co-Sponsor Rep. Camille Y. Lilly
+- **2016-11-30** Added Alternate Co-Sponsor Rep. Jack D. Franks
+- **2016-11-30** House Committee Amendment No. 2 Adopted in Environment; by Voice Vote `amendment-passage`
+- **2016-11-30** Do Pass as Amended / Short Debate Environment; 017-000-000 `committee-passage`
+- **2016-11-30** House Committee Amendment No. 1 Tabled Pursuant to Rule 40 `amendment-failure`
+- **2016-11-30** Placed on Calendar 2nd Reading - Short Debate
+- **2016-11-30** Second Reading - Short Debate `reading-2`
+- **2016-11-30** Held on Calendar Order of Second Reading - Short Debate `reading-2`
+- **2016-12-01** Alternate Chief Co-Sponsor Removed Rep. Carol Ammons
+- **2016-12-01** Added Alternate Chief Co-Sponsor Rep. Litesa E. Wallace
+- **2016-12-01** Alternate Co-Sponsor Removed Rep. Litesa E. Wallace
+- **2016-12-01** Added Alternate Co-Sponsor Rep. Carol Ammons
+- **2017-01-03** Rule 19(b) / Re-referred to Rules Committee `referral-committee`
+- **2017-01-06** Added Alternate Co-Sponsor Rep. Elizabeth Hernandez
+- **2017-01-06** Added Alternate Co-Sponsor Rep. Linda Chapa LaVia
+- **2017-01-09** Approved for Consideration Rules Committee; 004-000-000
+- **2017-01-09** Placed on Calendar 2nd Reading - Short Debate
+- **2017-01-09** House Floor Amendment No. 3 Filed with Clerk by Rep. Sonya M. Harper `amendment-introduction`
+- **2017-01-09** House Floor Amendment No. 3 Referred to Rules Committee `referral-committee`
+- **2017-01-09** House Floor Amendment No. 3 Rules Refers to Environment
+- **2017-01-09** Alternate Chief Co-Sponsor Removed Rep. Robyn Gabel
+- **2017-01-09** Added Alternate Chief Co-Sponsor Rep. Elizabeth Hernandez
+- **2017-01-09** Alternate Co-Sponsor Removed Rep. Elizabeth Hernandez
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Robyn Gabel
+- **2017-01-09** House Floor Amendment No. 3 Recommends Be Adopted Environment; 015-000-000 `committee-passage-favorable`
+- **2017-01-09** House Floor Amendment No. 4 Filed with Clerk by Rep. Sonya M. Harper `amendment-introduction`
+- **2017-01-09** House Floor Amendment No. 4 Referred to Rules Committee `referral-committee`
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Carol Sente
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Katherine Cloonen
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Eddie Lee Jackson, Sr.
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Michelle Mussman
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Sue Scherer
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Cynthia Soto
+- **2017-01-09** Added Alternate Co-Sponsor Rep. La Shawn K. Ford
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Kathleen Willis
+- **2017-01-09** House Floor Amendment No. 4 Recommends Be Adopted Rules Committee; 004-000-000 `committee-passage-favorable`
+- **2017-01-09** House Floor Amendment No. 3 Adopted `amendment-passage`
+- **2017-01-09** House Floor Amendment No. 4 Adopted `amendment-passage`
+- **2017-01-09** Placed on Calendar Order of 3rd Reading - Short Debate
+- **2017-01-09** Added Alternate Co-Sponsor Rep. William Davis
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Marcus C. Evans, Jr.
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Elgie R. Sims, Jr.
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Melissa Conyears
+- **2017-01-09** Third Reading - Short Debate - Passed 108-001-001 `reading-3, passage`
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Stephanie A. Kifowit
+- **2017-01-09** Added Alternate Co-Sponsor Rep. Deb Conroy
+- **2017-01-10** Secretary's Desk - Concurrence House Amendment(s) 2, 3, 4
+- **2017-01-10** Placed on Calendar Order of Concurrence House Amendment(s) 2, 3, 4 - January 10, 2017
+- **2017-01-10** House Committee Amendment No. 2 Motion to Concur Filed with Secretary Sen. Heather A. Steans `filing`
+- **2017-01-10** House Committee Amendment No. 2 Motion to Concur Referred to Assignments `referral-committee`
+- **2017-01-10** House Floor Amendment No. 3 Motion to Concur Filed with Secretary Sen. Heather A. Steans `filing`
+- **2017-01-10** House Floor Amendment No. 3 Motion to Concur Referred to Assignments `referral-committee`
+- **2017-01-10** House Floor Amendment No. 4 Motion to Concur Filed with Secretary Sen. Heather A. Steans `filing`
+- **2017-01-10** House Floor Amendment No. 4 Motion to Concur Referred to Assignments `referral-committee`
+- **2017-01-10** House Committee Amendment No. 2 Motion to Concur Be Approved for Consideration Assignments
+- **2017-01-10** House Floor Amendment No. 3 Motion to Concur Be Approved for Consideration Assignments
+- **2017-01-10** House Floor Amendment No. 4 Motion to Concur Be Approved for Consideration Assignments
+- **2017-01-10** 3/5 Vote Required
+- **2017-01-10** House Committee Amendment No. 2 Senate Concurs 055-000-000
+- **2017-01-10** House Floor Amendment No. 3 Senate Concurs 055-000-000
+- **2017-01-10** House Floor Amendment No. 4 Senate Concurs 055-000-000
+- **2017-01-10** Added as Co-Sponsor Sen. Toi W. Hutchinson
+- **2017-01-10** Added as Co-Sponsor Sen. Michael E. Hastings
+- **2017-01-10** Added as Co-Sponsor Sen. Thomas Cullerton
+- **2017-01-10** Added as Co-Sponsor Sen. Steven M. Landek
+- **2017-01-10** Senate Concurs
+- **2017-01-10** Passed Both Houses
+- **2017-01-11** Sent to the Governor `executive-receipt`
+- **2017-01-17** Governor Approved `executive-signature`
+- **2017-01-17** Effective Date January 17, 2017
+- **2017-01-17** Public Act . . . . . . . . . 99-0922 `became-law`
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/05d7ef9f-5813-4915-aa49-1860b965ea0f`. Confidence: reported (aggregated from official Illinois legislature records).
+