Ill. Admin. Code tit. 68, § 1400.260 – Endorsement for Prescribing Psychologists

a) Individuals who are licensed as medical or prescribing psychologists in another state may apply for an Illinois prescribing psychologist license by endorsement from that state, or acceptance of that state's examination if they meet the requirements set forth in the Act and this Part, including proof of successful completion of the educational, testing and experience standards. If an applicant meets the requirements set forth in the Act and this Part, including educational, testing and experience standards, and pays all required fees, the applicant may not be required to take the examination otherwise required under the Act for licensure as a prescribing psychologist. (Section 4.5(a) of the Act)
b) Individuals who graduated from the Department of Defense Psychopharmacology Demonstration Project may apply for an Illinois prescribing psychologist license by endorsement. Applicants from the Department of Defense Psychopharmacology Demonstration Project may not be required to take the examination otherwise required under the Act for licensure as a prescribing psychologist if they meet the requirements set forth in the Act and this Part, including educational, testing and experience standards, and pay all required fees. (Section 4.5(b) of the Act)
c) Individuals applying for licensure by endorsement must first obtain a clinical psychologist license in Illinois. (Section 4.5(c) of the Act)