TITLE 1: GENERAL PROVISIONS
CHAPTER I: SECRETARY OF STATE
PART 100 RULEMAKING IN ILLINOIS
SUBPART A: DEFINITIONS AND CODIFICATION
Section 100.100 Rulemaking Compliance
Section 100.110 Definitions
Section 100.120 Agencies Covered
Section 100.130 Illinois Administrative Code Organization
Section 100.140 Codification Outline
Section 100.150 Notice of Codification Changes
Section 100.160 Deletion or Transfer of Rules
Section 100.170 Re-using Part or Section Numbers (Renumbered)
Section 100.180 Style Manual
SUBPART B: ILLINOIS REGISTER
Section 100.200 Publication Schedule and Deadline
Section 100.210 Contents
Section 100.220 Publication Requirements
Section 100.225 Cover Letter
Section 100.230 Publication of Materials Incorporated by Reference
Section 100.240 Notices of Corrections
Section 100.250 Expedited Corrections
Section 100.260 Indexes
Section 100.270 Illinois Register Availability
Section 100.280 Fees
Section 100.290 Uncodified Rules (Repealed)
SUBPART C: RULE DRAFTING REQUIREMENTS
Section 100.300 Headings
Section 100.310 Table of Contents
Section 100.315 Re-using Part or Section Numbers
Section 100.320 Authority Note
Section 100.330 Source Notes
Section 100.335 Automatic Repeal of Rules
Section 100.340 Text of the Part; Subsections
Section 100.345 Renumbering Sections within a Part
Section 100.350 Supplementary Material
Section 100.355 Underlying Data
Section 100.360 Proper Format
Section 100.370 Citation of Codified Rules
Section 100.380 Statutory Language and Statutory Citations
Section 100.385 Incorporation by Reference; Citation of Referenced Material
Section 100.390 Footnotes; Agency Notes; Editor's Notes
SUBPART D: PROPOSED RULES
Section 100.400 Required Notice Periods
Section 100.410 Notice of Proposed Rules
Section 100.415 Other Statutory Requirements for Rulemaking
Section 100.420 Text of Proposed Rules
Section 100.430 Notice of Corrections
Section 100.440 Notice of Modification, Withdrawal, or Refusal to Modify or Withdraw a Rule
Section 100.445 Requirements for Submitting Materials for Register Publication
Section 100.450 Index Department Review of Proposed Rules
SUBPART E: ADOPTED RULES
Section 100.500 Requirements for Filing
Section 100.510 Other Documents Required for Filing Adopted Rules
Section 100.520 Requirements for Illinois Register Publication
Section 100.530 Notice of Adopted Rules
Section 100.540 Text of Adopted Rules
Section 100.545 Index Department Review of Adopted Rules
Section 100.550 Certificate of Review and Approval
SUBPART F: EMERGENCY RULES
Section 100.600 Filing; Agency Certification
Section 100.610 Notice of Emergency Rules
Section 100.620 Text of Emergency Rules
Section 100.630 File Copy of Emergency Rules
Section 100.640 Effectiveness
Section 100.650 Adoption as a Permanent Rule
Section 100.655 Index Department Review of Emergency Rules
Section 100.660 Certificate of Review and Approval
Section 100.670 Modification of an Emergency Rule
Section 100.680 Repeal of an Emergency Rule
SUBPART G: PEREMPTORY RULES
Section 100.700 Submission; Agency Certification
Section 100.710 Notice of Peremptory Rules
Section 100.720 Text of Peremptory Rules
Section 100.730 File Copy of Peremptory Rules
Section 100.735 Index Department Review of Peremptory Rules
Section 100.740 Certificate of Review and Approval
SUBPART H: INTERNAL RULES
Section 100.800 Requirements
Section 100.810 Effectiveness; Exemption from Notice
Section 100.815 Index Department Review of Internal Rules
Section 100.820 Certificate of Review and Approval
SUBPART I: PROHIBITED FILING
Section 100.900 Certified Statements from Joint Committee on Administrative Rules
Section 100.910 Prohibition of the Filing of Rules
Section 100.920 Continuation of Prohibition
SUBPART J: PUBLIC INSPECTION AND COPYING
Section 100.1000 Certified Rules; Inspection
Section 100.1010 Photocopies and Fees
Section 100.1020 Illinois Administrative Code
Section 100.1025 Public Domain
Section 100.1030 State Property (Repealed)
SUBPART K: MISCELLANEOUS
Section 100.1100 Recodification of Rules
Section 100.1110 Notice of Recodification
Section 100.1115 Index Department Review of Recodified Rules
Section 100.1120 Certificate of Review and Approval
Section 100.1130 Format for Register Publication of Notices of the Joint Committee on Administrative Rules
Section 100.1140 Index Department Review of Other Notices and Materials Submitted for Register Publication
Section 100.1150 Regulatory Agendas
Section 100.1160 Regulatory Flexibility Notice
SUBPART L: ILLINOIS ADMINISTRATIVE CODE
Section 100.1200 Availability
Section 100.1210 Fees
Section 100.APPENDIX A Proposed Rules
Section 100.ILLUSTRATION A Notice of Proposed Rules
Section 100.ILLUSTRATION B Notice of Withdrawal of Proposed Rules
Section 100.ILLUSTRATION C Notice of Modification, Withdrawal or Refusal in Response to an Objection by the Joint Committee on Administrative Rules
Section 100.ILLUSTRATION D Notice of Corrections to Proposed Rules
Section 100.ILLUSTRATION E Notice of Public Hearing on Proposed Rules
Section 100.ILLUSTRATION F Notice of Corrections to Notice Only (Renumbered)
Section 100.APPENDIX B Adopted Rules
Section 100.ILLUSTRATION A Notice of Adopted Rules
Section 100.ILLUSTRATION B Text of Adopted Rules (Repealed)
Section 100.ILLUSTRATION C Agency Certification
Section 100.ILLUSTRATION D Format for Filing Adopted Rules
Section 100.ILLUSTRATION E Notice of Automatic Repeal of Adopted Rules
Section 100.ILLUSTRATION F Notice of Corrections to Adopted Rules (Repealed)
Section 100.ILLUSTRATION G Request for Expedited Correction
Section 100.ILLUSTRATION H Refusal to Certify Expedited Correction
Section 100.ILLUSTRATION I Notice of Expedited Correction
Section 100.APPENDIX C Emergency Rules
Section 100.ILLUSTRATION A Notice of Emergency Rules
Section 100.ILLUSTRATION B Text of Emergency Rules (Repealed)
Section 100.ILLUSTRATION C Agency Certification of Emergency Rules
Section 100.ILLUSTRATION D Notice of Modification to Emergency Rules
Section 100.APPENDIX D Peremptory Rules
Section 100.ILLUSTRATION A Notice of Peremptory Rules
Section 100.ILLUSTRATION B Text of Peremptory Rules (Repealed)
Section 100.ILLUSTRATION C Agency Certification of Peremptory Rules
Section 100.ILLUSTRATION D Notice of Automatic Repeal of Peremptory Rules
Section 100.APPENDIX E Miscellaneous
Section 100.ILLUSTRATION A Notice of Recodification
Section 100.ILLUSTRATION B Notice of Corrections to Notice Only
Section 100.ILLUSTRATION C Certificate of Review and Approval
Section 100.ILLUSTRATION D Notice of Codification Changes
Section 100.ILLUSTRATION E Format for Statements of Objections or Recommendations Issued by the Joint Committee on Administrative Rules
Section 100.ILLUSTRATION F Regulatory Agenda
Section 100.ILLUSTRATION G Regulatory Flexibility Notice
Section 100.ILLUSTRATION H Notice of Publication Error
AUTHORITY: Implementing and authorized by the Illinois Administrative Procedure Act [5 ILCS 100].
SOURCE: Adopted at 7 Ill. Reg. 10880, effective September 1, 1983; amended at 7 Ill. Reg. 16460, effective January 1, 1984; amended at 8 Ill. Reg. 12488, effective July 1, 1984; amended at 8 Ill. Reg. 19831, effective October 1, 1984; emergency amendments at 9 Ill. Reg. 427, effective January 1, 1985, for a maximum of 150 days; amended at 9 Ill. Reg. 9180, effective May 31, 1985; emergency amendments at 10 Ill. Reg. 4014, effective February 19, 1986, for a maximum of 150 days; amended at 10 Ill. Reg. 12080, effective July 1, 1986; amended at 11 Ill. Reg. 724, effective January 1, 1987, and May 1, 1987; amended at 15 Ill. Reg. 13939, effective September 10, 1991; amended at 17 Ill. Reg. 10414, effective July 1, 1993; amended at 18 Ill. Reg. 13067, effective August 11, 1994; emergency amendments at 18 Ill. Reg. 17275, effective November 22, 1994, for a maximum of 150 days; emergency expired April 21, 1995; amended at 19 Ill. Reg. 7626, effective June 1, 1995; amended at 22 Ill. Reg. 11532, effective July 1, 1998; amended at 29 Ill. Reg. 13224, effective August 12, 2005; amended at 49 Ill. Reg. 12118, effective November 1, 2025.
SUBPART A: DEFINITIONS AND CODIFICATION
Section 100.100 Rulemaking Compliance
This Part describes the procedures involved in promulgating rules in codified form, including both Illinois Register publication and filing requirements. All rules filed with the Index Department must be in compliance with the rulemaking system described within this Part pursuant to Article 5 of the Illinois Administrative Procedure Act (Ill. Rev. Stat. 1991, ch. 127, par. 1007). [5 ILCS 100/1-1]
(Source: Amended at 18 Ill. Reg. 13067, effective August 11, 1994)
