US lawIllinoisRegulationsTitle 50 — INSURANCECHAPTER I: DEPARTMENT OF INSURANCESUBCHAPTER ww: HEALTH CARE SERVICE PLANSPart 4521 — HEALTH MAINTENANCE ORGANIZATION4521.1050 Ill. Adm. Code 4521.10ScopeLast amended: 2006Year: 2026Length: 23 wordsOfficial source Section 5421 Section 4521.10 Scope This Part shall apply to any Health Maintenance Organization (HMO) as defined in Section 1-2(9) of the Act.Next50 Ill. Adm. Code 4521.20