20 ILCS 2510/2510-5
As used in this Article:
"Certification program" means an instructional curriculum, examination, and process for certification, recertification, and revocation of certification of certified public accountants that is administered by the Illinois CPA Society and that is officially approved by the Department to ensure that a certified public accountant possesses the necessary skills and abilities to successfully perform an attestation engagement for tax compliance review in a certified audit project.
"Department" means the Illinois Department of Revenue.
"Participating taxpayer" means any person subject to the revenue laws administered by the Department who enters into an engagement with a qualified practitioner for tax compliance review and who is approved by the Department under the certified audit project.
"Qualified practitioner" means a certified public accountant who is licensed to practice in Illinois and who has completed the certification program. The phrase "completed the certification program" means the participant has met all requirements for the certified audit training course, achieved the required score on the certification test as approved by the Department, and has been certified by the Department.
20 ILCS 2510/2510-5