225 ILCS 110/13

Upon payment of the required fee, an applicant who is a speech-language pathologist, speech-language pathology assistant, or audiologist licensed under the laws of another state or territory of the United States, may without examination be granted a license as a speech-language pathologist, speech-language pathology assistant, or audiologist by the Department: (a) whenever the requirements of such state or territory of the United States were at the date of licensure substantially equal to the requirements then in force in this State; or (b) whenever such requirements of another state or territory of the United States together with educational and professional qualifications, as distinguished from practical experience, of the applicant since obtaining a license as speech-language pathologist, speech-language pathology assistant, or audiologist in such state or territory of the United States are substantially equal to the requirements in force in Illinois at the time of application for licensure as a speech-language pathologist, speech-language pathology assistant, or audiologist. Applicants have 3 years from the date of application to complete the application process. If the process has not been completed within 3 years, the application shall be denied, the fee shall be forfeited, and the applicant must reapply and meet the requirements in effect at the time of reapplication.