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  • Arizona Department of Revenue
Please excuse our site and file changes as we transition to Secretary Fontes.

Arizona Department of Revenue

Revision Date: 
Friday, September 30, 2022

AGENCY CONTACT INFORMATION

Arizona Department of Revenue

Authority:

The Arizona Department of Revenue was established in 1973 to administer Arizona’s tax laws (Laws 1973, Chapter 123, effective July 1, 1974). Statutory authority is outlined in two titles of Arizona Revised Statutes: Title 42 – Taxation and Title 43 – Taxation of Income. Regulatory rules are found in the Arizona Administrative Code, Title 15.

Function:

The mission of the Arizona Department of Revenue is to serve taxpayers. The Department administers and enforces collection of individual and corporate income tax, transaction privilege (sales), use, luxury, withholding, property, estate, fiduciary, bingo, and severance taxes. The Department oversees county assessors in the administration of locally-assessed property taxes. 

The director is appointed by the Governor, serves as a member of the Governor’s cabinet and is responsible for the direction, operation, and control of the department. The chief deputy director and deputy director assist the director in the day-to-day operations of the department. The chief deputy director serves as acting director when the director is absent. The problem resolution officer acts as the taxpayer advocate within the Department. 

The Department is organized into four divisions: Taxpayer Services, Processing, Education and Compliance, and Support. Each division performs specific functions which are integrated to achieve the department’s major objectives of tax collection and processing, enforcement of tax laws, and accurate valuation of property. Each division performs specific functions which are integrated to achieve the department’s major objectives of tax collection and processing, enforcement of tax laws, and accurate valuation of property. See the Arizona Department of Revenue website for mission statement, annual reports, strategic plans, statistics and legal research. 

The Municipal Tax Code Commission (Commission) was originally established by Laws 1988, Chapter 107 and currently consists of nine appointed members and the director or designee of the Department as an ex officio member. The Commission provides a forum for taxpayers and municipalities to present recommendations for changes to the Model City Tax Code (Code) according to specific guidelines and timeframes. The Department updates and maintains the official copy of the Code and is required to present a legal analysis of proposed amendments to the Commission. In addition, the Department provides staff support and meeting accommodations for the Commission, and is also responsible for posting proposed amendments, meeting notices and agendas.

History

The State Tax Commission was established in 1912 to assess and equalize taxes; to exercise general supervision of the state’s taxation system; and to advise and direct Assessors, County Boards of Equalization and County Boards of Supervisors regarding assessment of real and personal property. The Governor appointed three members to the Commission, who also served as ex-officio members of the State Board of Equalization (Laws 1912, Chapter 23). 

In 1912, the State Board of Equalization (SBE) was incorporated into the State Tax Commission and in 1967 the SBE duties were transferred to the newly created State Board of Property Tax Appeals. In 1973 the State Board of Property Tax Appeals was renamed the State Board of Tax Appeals. (Arizona State Archives finding guide – Record Group 80.) 

From 1935 to 1949 the State Tax Commission regulated horse and dog racing, granted racing licenses and established rules for use of pari-mutuel machines. In 1949, the Arizona Racing Commission was created and assumed racing-related responsibilities from the State Tax Commission. (Arizona State Archives finding guide, Record Group 80.) 

The Arizona Department of Revenue was created in 1973 and assumed the responsibilities of the Department of Property Valuation and the Estate Tax Commissioner as well as certain functions of the of the State Tax Commission. The State Board of Tax Appeals was established in 1973, assuming the functions of the State Board of Property Tax Appeals and serving as the appellate board for other taxes. The Department also assumed responsibility for the Division of Unclaimed Property (Laws 1973, Chapter 123, Sections 1, 170 and 171). The effective date of the act was July 1, 1974. 

Laws 1978, Chapter 213 repealed and rewrote Title 43 (Taxation of Income) to adopt the provisions of the federal Internal Revenue Code in order to calculate Arizona adjusted gross income tax liabilities for individuals and to calculate taxable income for corporations, trusts, estates and partnerships. The 1978 enactment included a savings clause for “The Income Tax Act of 1933” and “The Income Tax Act of 1954” in order to provide a transition from the old laws to the new law. The 1978 measure was effective for tax years beginning January 1, 1979. 

Note: Title 42 was reorganized and renumbered in 1979 (Laws 1979, Chapter 199) and again in 1997 (Laws 1997, Chapter 150). A follow up bill containing conforming changes was enacted the next year in order to incorporate the 1997 statutory enactments into the recodified title. The effective date was January 1, 1999 (Laws 1998, Chapter 1). Title 43 was rewritten and renumbered in 1978 (Laws 1978, Chapter 213). 

Laws 2020, Chapter 71 modified the notice, review and hearing process used to amend the Model City Tax Code. The measure also modified related responsibilities of the Commission and the Department. 

Laws 2021, Chapter 342 authorizes ADOR to issue draft rulings, procedures, notices and administrative announcements and outlines the Department process and timeline to do so. The measure also modifies ADOR authority and responsibilities relating to private taxpayer ruling requests. 

Laws 2021, Chapter 430 establishes the affordable housing tax credit, administered by the Department of Housing (DOH), to increase the number of affordable housing units in the state.  The measure requires DIFI and the Department of Revenue to work with DOH to implement the program, to develop administrative rules, and to publish forms and procedures.

In 2022, the Legislature authorized ADOR to implement a multi-year integrated tax system modernization project, also known as the state tax accounting and reconciliation system (STARS).  The Department will phase in the updates by tax type.  Laws 2022, Chapter 321 established the Integrated Tax System Project (ITSP) Fund to upgrade Department tax systems. The fund consists of fees assessed from local governments, a portion of the education sales tax, and a portion of the marijuana excise tax.  Monies in the fund are subject to legislative appropriation and will be used solely for costs to develop and implement tax system modernization upgrades. A legislative intent clause provides guidelines for assessment and collection of fees, which remain in effect from July 1, 2022 through June 30, 2028.  The measure also establishes the 10-member ITSP Advisory Committee to serve as the liaison between the Department and users of the tax system. The Committee is repealed on January 1, 2030. (See Sections 2, 3, 4, 6 and 18).

Sources:

  • Arizona Revised Statutes, Title 42 – Taxation (ARS § 42-101 et seq.)
  • Arizona Revised Statutes, Title 43 – Taxation of Income ARS §43-101 et seq.)
  • Arizona Administrative Code, Title 15 (A.A.C. R15-2A-101 et seq.)
  • Session Laws
    • Laws 1912, Chapter 23
    • Laws 1973, Chapter 123
    • Laws 1978, Chapter 213
    • Laws 1979, Chapter 199
    • Laws 1997, Chapter 150
    • Laws 1998, Chapter 1
    • Laws 2020, Chapter 71
    • Laws 2021, Chapter 342 and Chapter 430
    • Laws 2022, Chapter 321

Master List of State Programs

Arizona Department of Revenue website

Annual reports of the Arizona Department of Revenue

Revenue Impact of Arizona’s Tax Expenditure

Sunset Reviews, Arizona Department of Revenue, sunset factors

  •  Report 19-106, June 2019
  • Report 15-117, September 2015
  • Report 05-16, October 2005

Performance Audits, Arizona Department of Revenue

  • Report 15-105 , April 2015
  • Report 05-06, August 2005

 

The Joint Legislative Budget Committee Tax Handbook provides a description of each state tax and certain other revenue categories; a history of the collections and distributions for each revenue category; and includes summaries of all statutory revisions. 

Related collections at Arizona State Archives:

  • Record Group 80 – State Tax Commission
  • Record Group 84 – Territorial Board of Equalization
  • Record Group 169 – Department of Revenue
Related Histories: 
Municipal Tax Code Commission
Agency Histories

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