Illinois law

Administrative Laws in Illinois.

Illinois administrative-law practice involves professional license defense, agency adjudications, rulemaking, and judicial review of agency decisions. The Illinois Administrative Procedure Act at 5 ILCS 100/ provides the core framework for rulemaking, contested cases, and judicial review under the Administrative Review Law (735 ILCS 5/3-101).

Last verified: 2026-04-17

State law

Statute of Limitations

Judicial review typically 35 days from final agency decision; varies5 ILCS 100/; 735 ILCS 5/3-101

Illinois administrative-law deadlines are agency- and rule-specific. Judicial review of final agency decisions under the Administrative Review Law generally requires filing within 35 days of service of the decision.

State law

Key Illinois Statutes

Illinois Administrative Procedure Act5 ILCS 100/

The Illinois APA governs rulemaking, contested cases, and judicial review of administrative action for most Illinois state agencies.

Illinois Administrative Review Law735 ILCS 5/3-101 et seq.

The Administrative Review Law governs judicial review of final agency decisions in Illinois.

State law

Official Sources

Illinois Administrative Code Illinois General Assembly — Compiled Statutes

Not Legal Advice

This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in Illinois.

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Administrative Laws in Illinois.

Statute of Limitations

Key Illinois Statutes

Official Sources

Not Legal Advice

Move from state law into guided help or attorney search.

Other state law topics.