I recently received several calls with this question, thought it was worth sending it out to everyone. --- Luz

Current Arizona Statute
44-1291. Definitions
In this article, unless the context otherwise requires:
1. "Aftermarket crash part" means a replacement for any of the nonmechanical sheet metal or plastic parts which generally constitute the exterior of a motor vehicle, including the inner and outer panels.
2. "Installer" means an individual who actually does the work of replacing or repairing parts of a motor vehicle.
3. "Nonoriginal equipment manufacturer aftermarket crash part" means an aftermarket crash part which is not made for or by the manufacturer of the motor vehicle.
4. "Repair facility" means a motor vehicle dealer, garage, body shop or other commercial entity which undertakes the repair or replacement of those parts that generally constitute the exterior of a motor vehicle.

44-1292. Identification of aftermarket crash part
A nonoriginal equipment manufacturer that supplies an aftermarket crash part for use in this state shall affix to the part or inscribe on the part the logo or name of the manufacturer.

44-1293. Disclosure on use of aftermarket crash part
A motor vehicle repair facility or motor vehicle parts installer shall not use a nonoriginal equipment manufacturer aftermarket crash part to repair a vehicle unless the part meets the specifications of section 44-1292 and unless the consumer is advised in a written notice attached to or printed on a repair estimate which:
1. Clearly identifies each part.
2. Contains the following information in ten point or larger type:
"This estimate has been prepared based on the use of replacement parts supplied by a source other than the manufacturer of your motor vehicle. Warranties applicable to these replacement parts are provided by the manufacturer or distributor of these parts rather than the manufacturer of your vehicle."

44-1294. Enforcement
Violation of this article is declared to be an unlawful practice and is subject to all of the penalties and enforcement procedures provided in chapter 10, article 7 of this title.