Ariz. Rev. Stat. § 42-13152
D. The improvement value of the golf course is established by the department's 1988 per hole cost, as prescribed in subsection E of this section for the grade of the golf course as described in the department's assessment practices manual for golf course assessment effective January 1, 1986. The per hole cost shall be multiplied by the number of holes included. The value shall be adjusted to reflect the application of economic obsolescence, which shall be uniformly determined as follows: