Ariz. Admin. Code § 17-5-201
In addition to the definitions provided under A.R.S. §§ 28-3001 and 28-5201, the following definitions apply to this Article unless otherwise specified:
"Audit" means any inspection of a transporter's motor vehicle, equipment, books, or records to determine compliance with this Article and A.R.S. Title 28, Chapter 14.
"Co-applicant" means an employer or potential employer.
"Danger to public safety" means any condition of a transporter likely to result in serious peril to the public if not discontinued immediately.
"Director" means the Director of the Arizona Department of Transportation or the Director's designated agent.
"Executive Hearing Office" means the Arizona Department of Transportation's Executive Hearing Office.
"Medical waiver evaluation summary" means the form, provided by the Department, to be completed by either a board-qualified or board-certified orthopedic surgeon or physiatrist and mailed to the Department, at the address provided on the form, on behalf of an Arizona intrastate medical waiver applicant.
"Physiatrist" means a doctor of medicine specialized in physical medicine and rehabilitation.
"Transporter" means any person, driver, motor carrier, shipper, manufacturer, or motor vehicle, including any motor vehicle transporting a hazardous material, hazardous substance, or hazardous waste, subject to this Article and A.R.S. Title 28, Chapter 14.
"Violation" means any conduct, act, or failure to act required or prohibited under this Article and A.R.S. Title 28, Chapter 14.
"Vision examination report" means a form provided by the Department to be completed by an ophthalmologist or a licensed optometrist on behalf of a driver or driver applicant and mailed to the Department, at the address provided on the form, for use in determining whether or not a medical condition affects the driver's or driver applicant's ability to safely perform the functional skills involved with driving a motor vehicle.
Ariz. Admin. Code § R17-5-201