Ill. Admin. Code tit. 86, § 900.115
b) The Act applies to operators of live adult entertainment facilities.
c) The Act applies to a facility operated as a business that is open to the public. The Act does not apply to private clubs. The following factors are relevant for purposes of determining if an entity is open to the public or is considered a private club:
1) Whether an entity uses genuine selectivity in the admission of its members, reflected, in part, by: