225 ILCS 63/80
The Department may, in its discretion, license as a naprapath, without examination, an applicant who is so licensed under the laws of another state, territory or jurisdiction, if the requirements for licensure in the jurisdiction in which the applicant was licensed were, at the date of licensure, substantially equivalent to the requirements then in force in this State; or if the applicant possesses individual qualifications and skills that demonstrate substantial equivalence to current Illinois requirements.
Applicants have 3 years from the date of application to complete the application process. If the process has not been completed in 3 years, the application shall be denied, the fee forfeited, and the applicant must reapply and meet the requirements in effect at the time of reapplication.
225 ILCS 63/80