Ariz. Rev. Stat. § 42-1004 – General powers and duties of the department; res judicata; remedies; enforcement; special collections account

A. The department shall administer and enforce this title, title 43 and other laws assigned to it and has all the powers and duties prescribed by law for such purposes. In all proceedings prescribed by law the department may act on behalf of this state. In addition, the department shall:
1. 1. Formulate policies, plans and programs to effectuate the missions and purposes of the department.
2. 2. Employ and remove personnel subject to title 41, chapter 4, article 4 and, as applicable, articles 5 and 6, determine the conditions of employment and prescribe the duties and powers of administrative, professional, technical, secretarial, clerical and other personnel as may be necessary in the performance of its duties, and contract for the services of outside advisors, consultants and aides as may be reasonably necessary.
3. 3. Make contracts and incur obligations within the general scope of its activities and operations subject to the availability of its funds.
4. 4. Contract with or assist other departments, agencies or institutions of the state, local, Indian tribal and federal governments in the furtherance of its purposes, objectives and programs.
5. 5. Accept grants, matching funds and direct payments from public or private agencies for the conduct of programs which are consistent with the overall purposes and objectives of the department.
6. 6. Provide information and advice within the scope of its duties subject to the laws on confidentiality of information and departmental rules adopted pursuant to such laws.
7. 7. Advise with and make recommendations to the governor and the legislature on all matters concerning its objectives.
8. 8. Have an official seal which shall be judicially noticed.
9. 9. Provide an integrated, coordinated and uniform system of tax administration and revenue collection for the state, including a coordinated electronic method of collecting state and municipal transaction privilege and affiliated excise taxes.
B. The department may:
1. 1. With the approval of the attorney general:
  1. (a) Abate any balance owed by a taxpayer if the balance is uncollectible. Related liens, if any, are extinguished on abatement.
  2. (b) Abate all or part of the unpaid portion of any tax if the director determines that the administration and collection costs involved would exceed the amount of the tax.
2. 2. Offer publications relating to the administration of state taxes for sale at a price equal to the pro rata cost of publication and distribution. Monies received from the sale of publications shall be placed in a revenue publications revolving fund. Monies in the fund:
  1. (a) Shall be used to meet publication and distribution expenses.
  2. (b) Are exempt from the provisions of section 35-190 relating to lapsing of appropriations.
3. 3. Enter into contingent fee contracts to collect delinquent state taxes, penalties, interest and other amounts owed to the department under title 43 and chapter 5, article 1 of this title, consistent with the requirements of chapter 2, article 1 of this title. No contract may be entered into for the hiring of auditors on a contingent fee basis except auditors that are hired to enforce title 44, chapter 3.
C. In the determination of any issue of law or fact under this title or title 43, neither the department, nor any officer or agency having any administrative duties under this title or title 43, nor any court is bound by the determination of any other executive officer or administrative agency of this state. In the determination of any case arising under this title or title 43, the rule of res judicata is applicable only if the liability involved is for the same year or period as was involved in another case previously determined under this title or title 43.
D. The remedies of this state provided for in this title and title 43 are cumulative, and no action taken by the department constitutes an election by this state to pursue any remedy to the exclusion of any other remedy provided by law.
E. The attorney general shall prosecute in the name of this state all actions necessary to enforce this title and title 43. The attorney general may defend all actions brought against this state or an officer or agency of this state arising under this title and title 43. The attorney general may delegate the prosecuting authority to any county attorney for prosecution in that county.
F. A special collections account is established in the state general fund. All monies collected pursuant to contracts authorized by subsection B, paragraph 3 of this section shall be deposited in the special collections account. The department shall pay from the account all fees and court costs provided for in the contracts authorized under subsection B, paragraph 3 of this section. The department shall allocate the remainder of the amounts collected under subsection B, paragraph 3 of this section to the state or the political subdivision in the proportion that the monies would have been distributed pursuant to chapter 5 of this title or section 43-206, respectively.