---
type: "Bill"
title: "REGULATORY SUNSET-RADIATION"
description: "Amends the Regulatory Sunset Act. Changes the repeal date of the Radiation Protection Act of 1990 from January 1, 2027 to January 1, 2037. Effective immediately."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "104th"
identifier: "SB 3645"
citation: "Illinois SB 3645 (104th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Bob Morgan", "Mike Porfirio"]
version_count: 4
action_count: 39
vote_count: 5
first_action: "2026-02-05"
last_action: "2026-06-26"
source: "openstates"
source_identifier: "ocd-bill/d1c37023-ad43-4257-9a63-d04f654b75ae"
source_url: "https://ilga.gov/Legislation/BillStatus?DocNum=3645&GAID=18&DocTypeID=SB&LegId=166824&SessionID=114"
source_hash: "4f1cf4f4d96f1f9c466a0d169ac74a1099bcf014847449efe9caaf072b15adea"
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 3645 (104th) — REGULATORY SUNSET-RADIATION

Amends the Regulatory Sunset Act. Changes the repeal date of the Radiation Protection Act of 1990 from January 1, 2027 to January 1, 2037. Effective immediately.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](https://ilga.gov/documents/legislation/104/SB/PDF/10400SB3645.pdf)
2. **Engrossed** (committee substitute) — [source](https://ilga.gov/documents/legislation/104/SB/PDF/10400SB3645eng.pdf)
3. **House Amendment 001** (committee substitute) — [source](https://ilga.gov/documents/legislation/104/SB/PDF/10400SB3645ham001.pdf)
4. **Enrolled** (enrolled) — [source](https://ilga.gov/documents/legislation/104/SB/PDF/10400SB3645enr.pdf)

## Votes

- Third Reading — **111–0** (pass) · lower
- State Government Administration — **9–0** (pass) · lower
- Third Reading — **47–0** (pass) · upper
- Concurrence, Amendment 1 — **51–3** (pass) · upper
- Licensed Activities — **7–0** (pass) · upper

## Sponsors

- Bob Morgan — primary (person)
- Mike Porfirio — primary (person)
- Mattie Hunter — cosponsor (person)

## Timeline

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

- **2026-02-05** Filed with Secretary by Sen. Mike Porfirio `filing`
- **2026-02-05** First Reading `reading-1`
- **2026-02-05** Referred to Assignments
- **2026-02-17** Assigned to Licensed Activities `referral-committee`
- **2026-02-26** Do Pass Licensed Activities; 007-000-000
- **2026-02-26** Placed on Calendar Order of 2nd Reading March 3, 2026 `reading-2`
- **2026-03-04** Second Reading `reading-2`
- **2026-03-04** Placed on Calendar Order of 3rd Reading March 5, 2026
- **2026-03-26** Third Reading - Passed; 047-000-000 `passage, reading-3`
- **2026-03-26** Arrived in House `introduction`
- **2026-03-26** Chief House Sponsor Rep. Matt Hanson
- **2026-03-27** First Reading `reading-1`
- **2026-03-27** Referred to Rules Committee
- **2026-04-27** Assigned to State Government Administration Committee `referral-committee`
- **2026-05-06** Do Pass / Short Debate State Government Administration Committee; 009-000-000
- **2026-05-07** Placed on Calendar 2nd Reading - Short Debate `reading-2`
- **2026-05-19** Second Reading - Short Debate `reading-2`
- **2026-05-19** Held on Calendar Order of Second Reading - Short Debate `reading-2`
- **2026-05-22** Third Reading/Final Action Deadline Extended-9(b) May 31, 2026
- **2026-05-29** Alternate Chief Sponsor Changed to Rep. Bob Morgan
- **2026-05-31** House Floor Amendment No. 1 Filed with Clerk by Rep. Bob Morgan `amendment-introduction`
- **2026-05-31** House Floor Amendment No. 1 Referred to Rules Committee
- **2026-05-31** Added as Chief Co-Sponsor Sen. Mattie Hunter
- **2026-05-31** House Floor Amendment No. 1 Recommends Be Adopted Rules Committee; 005-000-000 `committee-passage-favorable`
- **2026-05-31** Third Reading/Final Action Deadline Extended-9(b) June 2, 2026
- **2026-06-01** House Floor Amendment No. 1 Adopted `amendment-passage`
- **2026-06-01** Placed on Calendar Order of 3rd Reading - Short Debate
- **2026-06-01** Third Reading - Short Debate - Passed 111-000-001 `passage, reading-3`
- **2026-06-01** Secretary's Desk - Concurrence House Amendment(s) 1
- **2026-06-01** Placed on Calendar Order of Concurrence House Amendment(s) 1 - June 1, 2026
- **2026-06-01** House Floor Amendment No. 1 Motion to Concur Filed with Secretary Sen. Mike Porfirio `filing`
- **2026-06-01** House Floor Amendment No. 1 Motion to Concur Referred to Assignments
- **2026-06-01** House Floor Amendment No. 1 Motion to Concur Be Approved for Consideration Assignments
- **2026-06-01** House Floor Amendment No. 1 Senate Concurs 051-003-000
- **2026-06-01** Senate Concurs
- **2026-06-01** Passed Both Houses
- **2026-06-25** Sent to the Governor `executive-receipt`
- **2026-06-26** Governor Approved `executive-signature`
- **2026-06-26** Public Act . . . . . . . . . 104-0532 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d1c37023-ad43-4257-9a63-d04f654b75ae`. Confidence: reported (aggregated from official Illinois legislature records).