Ariz. Admin. Code § 17-4-301
Definitions. In addition to the definitions prescribed under A.R.S. §§ 28-101, 28-2231, and 28-5100, the following definitions apply to this Article, unless otherwise specified:
"Apportioned commercial vehicle" means a commercial vehicle that is subject to the proportional registration provisions prescribed under A.R.S. § 28-2233.
"Biennial" means once every two years.
"Business day" means a day other than a Sunday or holiday.
"Calendar quarter" means the following time periods established by the Division: January 1 to March 31, April 1 to June 30, July 1 to September 30, and October 1 to December 31.
"Day" means the 24-hour period from one midnight to the following midnight.
"Disabled person" means a recipient of public monies as a disabled individual under Title 16 of the Social Security Act.
"Division" means the Arizona Department of Transportation's Motor Vehicle Division.
"Division Director" means the Assistant Director for the Arizona Department of Transportation's Motor Vehicle Division or the Assistant Director's designee.
"Drop box" means a receptacle designated by the Division into which a person places vehicle registration forms and fees, and from which the Division retrieves these items daily.
"Effective date of registration" means the date the vehicle first becomes subject to registration fees in Arizona.
"Electronic delivery" means the transmission of registration and credit card information to the Division, by computer, through an authorized third party electronic service provider.
"Emergency Vehicle Permit" means a document issued by the Division's Enforcement Services Program to a private fire department for a single fire engine that authorizes the driver of a permitted vehicle to exercise the privileges prescribed under A.R.S. § 28-624.
"Expiration date" means the day, month, and year in which a vehicle registration expires.
"Fire Engine" means a motor vehicle containing fire-fighting equipment capable of extinguishing fires.
"IM147 Test" means the emissions test prescribed under A.R.S. § 49-542(F)(2)(a).
"Included vehicle" means a vehicle subject to annual or biennial Arizona registration unless otherwise excluded from the staggered registration prescribed under A.R.S. § 28-2159 and R17-4-304.
"Initial registration" means the first registration of an included vehicle in Arizona.
"OBD" means the On-Board Diagnostics emissions test prescribed under A.R.S. § 49-542(F)(2)(a).
"Off-highway vehicle" has the same meaning as prescribed under A.R.S. § 28-1171.
"Operator Requirements" means the requirements given in Chapter 2, Basic Driver/Operator Requirements, of the National Fire Protection Association Standard for Fire Apparatus Driver/Operator Professional Qualification (NFPA 1002), 1998 edition, which is incorporated by reference and on file with the Arizona Department of Transportation and the Office of the Secretary of State. This incorporation by reference contains no future editions or amendments.
"Private fire department" means a fire fighting business equipped to provide emergency fire-fighting devices for a private purpose that is neither a public service corporation nor a municipal entity.
"Private Fire Emergency Vehicle" means a fire engine operated by a private fire department for which an Emergency Vehicle Permit is issued.
"Registration" means the authorization, issued by the Division that allows a vehicle to use state highways.
"Registration fees" means the fees due to the Division at the time of registration and consisting of the general registration fees imposed under A.R.S. § 28-2003, the vehicle license tax imposed under A.R.S. § 28-5801, and the commercial registration and gross weight fees imposed under A.R.S. § 28-5433.
"Registration period" means the time-frame during which a vehicle registration is valid.
"Renewal registration" means the second and subsequent registration of an included vehicle.
Ariz. Admin. Code § R17-4-301