215 ILCS 125/5-4
The Director shall have with respect to health maintenance organizations the powers of examination conferred upon him relative to Sections 132 through 132.7 of the Illinois Insurance Code. The Director of Public Health shall make an examination concerning the quality of health care services of any health maintenance organization and providers with whom the organization has contracts, agreements, or other arrangements pursuant to its health care plan as often as he deems it necessary for the protection of the interest of the people of this State, but not less frequently than once every 3 years. The cost of any examination shall be paid by the health maintenance organization being examined.
The fee assessed against the organization being examined shall be composed of a fixed annual fee plus an additional fee based on the individual health maintenance organization's enrollment in Illinois. The revenues generated shall not exceed the estimated actual costs of the program. The methodology for computing the fee to be assessed shall be established by rule, pursuant to the Illinois Administrative Procedure Act.
Every health maintenance organization and provider shall submit its books and records relating to the Health Care Plan to examination and in every way facilitate them. For the purpose of examinations, the Director and the Director of Public Health may administer oaths to and examine the officers and agents of the health maintenance organization and the principals of providers concerning their business.
215 ILCS 125/5-4