Ariz. Rev. Stat. § 42-2064 – Reimbursement of fees and other costs; definitions

A. A taxpayer who is a prevailing party may be reimbursed for reasonable fees and other costs related to an administrative proceeding that is brought by or against the department in connection with an assessment, determination, collection or refund of any tax listed in section 42-1101. For the purposes of this subsection, a taxpayer is considered to be a prevailing party only if both of the following are true:
1. 1. The department's position was not substantially justified.
2. 2. The taxpayer prevails as to the most significant issue or set of issues.
B. Reimbursement under this section may be denied if any of the following circumstances apply:
1. 1. During the course of the proceeding the taxpayer unduly and unreasonably protracted the final resolution of the matter.
2. 2. The reason that the taxpayer prevailed is due to an intervening change in the applicable law.
C. The taxpayer shall present an itemization of the reasonable fees and other costs to the taxpayer problem resolution officer within thirty days after the conclusion of the administrative proceedings. The taxpayer problem resolution officer shall determine the validity of the fees and other costs within thirty days after receiving the itemization. The taxpayer problem resolution officer's decision is considered the department's final decision or order and is subject to appeal to the state board under section 42-1253.
D. The department of revenue shall pay the fees and other costs awarded as provided in this section from any monies appropriated for such purpose. If the department of revenue does not pay the fees and other costs within thirty days after demand by a person who has received an award pursuant to this section, and if no further review or appeals of the award are pending, the person may file a claim for the fees and other costs with the department of administration, which shall pay the claim within thirty days, in the same manner as an uninsured property loss under title 41, chapter 3.1, article 1. If, at the time the department of revenue failed to pay the award, it had appropriated monies either designated or assignable for the purpose of paying such awards, the legislature shall reduce the department of revenue's operating appropriation for the following year by the amount of the award and appropriate the amount of the reduction to the department of administration, risk management division, as reimbursement for the loss.
E. Reimbursement to a taxpayer under this section shall not exceed seventy-five thousand dollars or actual monies spent, whichever is less. The reimbursable attorney or other representative fees shall not exceed three hundred fifty dollars per hour or actual monies spent, whichever is less, unless the state board of tax appeals determines that an increase in the cost of living or a special factor such as the limited availability of qualified attorneys for the proceeding involved justifies a higher fee.
F. For each calendar year beginning from and after December 31, 2015, the income dollar amounts for maximum awards made pursuant to subsection E of this section shall be adjusted by the attorney general according to the average annual change in the metropolitan phoenix consumer price index published by the United States bureau of labor statistics. The revised dollar amounts shall be raised to the nearest whole dollar. The income dollar amounts may not be revised below the amounts prescribed in the prior calendar year.
G. The department shall adopt administrative rules to implement this section.
H. Notwithstanding any provision of title 12, chapter 3, article 5, a taxpayer who is a prevailing party may only be reimbursed pursuant to this section.
I. For the purposes of this section:
1. 1. "Administrative proceeding" means any review proceeding or appeal pursuant to section 42-1251 that is conducted under the authority of section 42-1003 and an appeal to the state board of tax appeals pursuant to section 42-1253.
2. 2. "Reasonable fees and other costs" means fees and other costs that are based on prevailing market rates for the kind and quality of the furnished services, but not exceeding the amounts actually spent for expert witnesses, the cost of any study, analysis, report, test or project that is found to be necessary to prepare the party's case and necessary fees for attorneys or other representatives.