Ill. Admin. Code tit. 14, § 178.100
A proposed limited liability company name shall comply with the applicable provisions of the LLCA. The term "Limited Liability Company", "L.L.C.", "LLC", or the like, as used in Section 1-10(a) of the LLCA, must be placed at the end of the company name.
(Source: Amended at 46 Ill. Reg. 14358, effective July 27, 2022)