1. A. Definitions. In addition to the definitions provided in A.R.S. § 3-201, R3-4-101 and R3-4-201, the following apply to this Section:

   1. 1. “Class A Noxious Weed” is categorized as a species of plant that is not known to exist or of limited distribution in the state and is a high priority pest for quarantine, control, or mitigation, Class A noxious weeds are listed in Table 4, Class A Noxious Weeds.
   2. 2. “Class B Noxious Weed” is categorized as a species of plant that is known to occur, but of limited distribution in the state and may be a high priority pest for quarantine, control or mitigation if a significant threat to a crop, commodity, or habitat is known to exist. Class B noxious weeds are listed in Table 5, Class B Noxious Weeds.
   3. 3. “Class C Noxious Weed” is categorized as a species of plant that is widespread but may be recommended for active control based on risk assessment. Class C noxious weeds are listed in Table 6, Class C Noxious Weeds.

2. B. Restrictions:

   1. 1. No Class A, B, or C Noxious Weed, or commodity infested or contaminated with a Class A, B, or C Noxious Weed, shall be admitted into the state unless otherwise authorized by the Associate Director.
   2. 2. The Department may quarantine and abate an area infested or contaminated with a Class A or Class B Noxious Weed if it has been determined by the Associate Director that an imminent threat to agriculture or horticulture exists.

Historical Note

Former Rule, Quarantine Regulation 26. Amended effective June 19, 1978 (Supp. 78-3). Amended subsection (B) effective May 2, 1986 (Supp. 86-3). Section R3-1-74 renumbered to R3-4-245 (Supp. 91-4). Section repealed, new Section adopted effective July 10, 1995
(Supp. 95-3). Amended effective June 4, 1998 (Supp. 98-2). Amended by final rulemaking at 6 A.A.R. 2082, effective May 15, 2000 (Supp. 00-2). Amended by final rulemaking at 11 A.A.R. 5315, effective February 4, 2006 (Supp. 05-4). Amended by final rulemaking at 25 A.A.R. 3357, effective January 4, 2020 (Supp. 19-4).