Ariz. Rev. Stat. § 49-542
F. The director shall adopt minimum emissions standards pursuant to section 49-447 with which the various classes of vehicles shall be required to comply as follows:
1. For the purpose of determining compliance with minimum emissions standards in area B:
2. For the purposes of determining compliance with minimum emissions standards and functional tests in area A:
(c) A diesel powered motor vehicle applying for registration in area A shall be required to take and pass an annual emissions test conducted at an official emissions inspection station or a fleet emissions inspection station as follows:
(d) Motor vehicles by specific class or model year shall be required to take and pass any of the following tests:
4. Fleet operators in area B must comply with this section, except that used vehicles sold by a motor vehicle dealer who is a fleet operator and who has been issued a permit under section 49-546 shall be tested as follows:
6. Fleet operators in area A shall comply with this section, except that used vehicles sold by a motor vehicle dealer who is a fleet operator and who has been issued a permit pursuant to section 49-546 for the purposes of determining compliance with minimum emission standards in area A shall be tested as follows:
J. The director may adopt rules for purposes of implementation, administration, regulation and enforcement of the provisions of this article including:
2. The exemption from inspection of:
L. The director shall adopt rules that specify that the estimated retail cost of all recommended maintenance and repairs shall not exceed the amounts prescribed in this subsection, except that if a vehicle fails a tampering inspection there is no limit on the cost of recommended maintenance and repairs. The director shall issue a certificate of waiver for a vehicle if the director has determined that all recommended maintenance and repairs have been performed and that the vehicle has failed any reinspection that may be required by rule. If the director has determined that the vehicle is in compliance with minimum emissions standards or that all recommended maintenance and repairs for compliance with minimum emissions standards have been performed, but that tampering discovered at a tampering inspection has not been repaired, the director may issue a certificate of waiver if the owner of the vehicle provides to the director a written statement from an automobile parts or repair business that an emissions control device that is necessary to repair the tampering is not available and cannot be obtained from any usual source of supply before the vehicle's current registration expires. Rules adopted by the director for the purpose of establishing the estimated retail cost of all recommended maintenance and repairs pursuant to this subsection shall specify that:
1. In area A the cost shall not exceed:
(c) For a vehicle other than a diesel powered vehicle with a gross weight in excess of twenty-six thousand pounds and other than a diesel powered vehicle with tandem axles:
2. In area B the cost shall not exceed:
3. For a vehicle other than a diesel powered vehicle with a gross weight in excess of twenty-six thousand pounds and other than a diesel powered vehicle with tandem axles:
O. The director of environmental quality shall establish, in cooperation with the assistant director for the motor vehicle division of the department of transportation:
2. A written notice that shall accompany the vehicle registration application forms that are sent to vehicle owners pursuant to section 28-2151 and that shall accompany or be included as part of the vehicle emissions test results that are provided to vehicle owners at the time of the vehicle emissions test. This written notice shall describe at least the following:
Z. For the purposes of this section, "collectible vehicle" means a vehicle that complies with both of the following:
1. Either:
2. Meets both of the following criteria:
(L25, Ch. 122, sec. 1)