IL · LLC-OP-AGMT · Updated July 2026 · Free
Illinois LLC Operating Agreement
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Illinois at a glance: Governing Law: 805 ILCS 180/15-5 · Filing Fee: $150
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Overview
LLC Operating Agreements in Illinois
Illinois LLC operating agreements are governed by the Limited Liability Company Act (805 ILCS 180/).
Key Facts
Illinois LLC Operating Agreement — Quick Reference
| Requirement | Illinois Rule |
|---|---|
| Governing Law | 805 ILCS 180/15-5 |
| Filing Fee | $150 |
Legal Requirements
Illinois Legal Requirements
- Agreement governs relations among members and cannot eliminate the duty of care.
Governing Laws
Illinois Governing Laws
Read the full text of these laws at Cornell Law School's Illinois legal resources or your state legislature's official website.
Questions & Answers
Illinois LLC Operating Agreement — Frequently Asked Questions
Are written operating agreements mandatory in Illinois?
Yes, a written operating agreement is required.