740 ILCS 10/7.2a
"Acquisition" means an agreement, arrangement, or activity the consummation of which results in a person acquiring directly or indirectly the control of another person. "Acquisition" includes the acquisition of voting securities and noncorporate interests, such as assets, capital stock, membership interests, or equity interests.
"Contracting affiliation" means the formation of a relationship between 2 or more entities that permits the entities to negotiate jointly with health carriers or third-party administrators over rates for professional medical services, or for one entity to negotiate on behalf of the other entity with health carriers or third-party administrators over rates for professional medical services. "Contracting affiliation" does not include arrangements among entities under common ownership.
"Covered transaction" means any merger, acquisition, or contracting affiliation between 2 or more health care facilities or provider organizations not previously under common ownership or contracting affiliation.
"Health care facility" means the following facilities, organizations, and related persons:
With the exception of those health care facilities specifically included in this Section, nothing in this Section shall be intended to include facilities operated as a part of the practice of a physician or other licensed health care professional, whether practicing in his or her individual capacity or within the legal structure of any partnership, medical or professional corporation, or unincorporated medical or professional group. Further, this Section shall not apply to physicians or other licensed health care professional's practices where such practices are carried out in a portion of a health care facility under contract with such health care facility by a physician or by other licensed health care professionals, whether practicing in his or her individual capacity or within the legal structure of any partnership, medical or professional corporation, or unincorporated medical or professional groups, unless the entity constructs, modifies, or establishes a health care facility as specifically defined in this Section.
"Health care services revenue" means the total revenue received for health care services in the previous 12 months.
"Health carriers" has the meaning given to that term in Section 10 of the Health Carrier External Review Act.
"Illinois health care entity" means a health care facility or provider organization that has an office in or is doing business in this State.
"Merger" means the consolidation of 2 or more organizations, including 2 or more organizations joining through a common parent organization or 2 or more organizations forming a new organization, but does not include a corporate reorganization.
"Out-of-state health care entity" means a health care facility or provider organization that is not headquartered in this State and does not do business in this State.
"Provider organization" means a corporation, partnership, business trust, association, or organized group of persons, whether incorporated or not, which is in the business of health care delivery or management and that represents 20 or more health care providers in contracting with health carriers or third-party administrators for the payment of health care services. "Provider organization" includes physician organizations, physician-hospital organizations, independent practice associations, provider networks, and accountable care organizations.
"Third-party administrator" means an entity that administers payments for health care services on behalf of a client in exchange for an administrative fee.
Covered transactions between an Illinois health care entity and an out-of-state health care entity must provide notice under this subsection where the out-of-state entity generates $10,000,000 or more in annual revenue from patients residing in this State.
Nothing in this subsection prohibits the parties to a covered transaction from voluntarily providing additional information to the Attorney General.
Whenever the Attorney General has reason to believe that a health care facility or provider organization has engaged in or is engaging in a covered transaction without complying with the provisions of this Section, the Attorney General may apply for and obtain, in an action in the Circuit Court of Sangamon or Cook County, a temporary restraining order or injunction, or both, prohibiting the health care facility or provider organization from continuing its noncompliance or doing any act in furtherance thereof. The court may make such further orders or judgments, at law or in equity, as may be necessary to remedy such noncompliance.
Before bringing such an action or seeking to recover a civil penalty, the Attorney General shall permit the health care facility or provider organization to come into compliance with this Section within 10 days of being notified of its alleged noncompliance. The right to cure noncompliance does not exist on or after the covered transaction's proposed or actual closing date of the covered transaction, whichever is sooner.
740 ILCS 10/7.2a