Arizona Statutes
§ 42-2078 — New interpretation or application of law; affirmative defense; definition
Arizona § 42-2078
JurisdictionArizona
Title 42Arizona Revised Statutes
Ch. 2TAXPAYER PROTECTION AND SERVICES
Art. 2Taxpayers' Bill of Rights
This text of Arizona § 42-2078 (New interpretation or application of law; affirmative defense; definition) is published on Counsel Stack Legal Research, covering Arizona primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.
Bluebook
Ariz. Rev. Stat. Ann. § 42-2078 (2026).
Text
A.Unless expressly authorized by law, the department shall not apply any newly enacted law retroactively or in a manner that will penalize a taxpayer for complying with prior law.
B.If the department adopts a new interpretation or application of any provision of this title or title 43 or determines that any of those provisions applies to a new or additional category or type of taxpayer, and the change in interpretation or application is not due to a change in the law:
1.The change in interpretation or application applies prospectively unless it is favorable to taxpayers.
2.The department shall not assess any tax, penalty or interest retroactively based on the change in interpretation or application.
3.The change is an affirmative defense in any administrative or judicial action fo
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Related
Harris Corp. v. Arizona Department of Revenue
312 P.3d 1143 (Court of Appeals of Arizona, 2013)
Stearns v. Arizona Department of Revenue
291 P.3d 369 (Court of Appeals of Arizona, 2012)
City of Phoenix v. Orbitz Worldwide
(Arizona Supreme Court, 2019)
Nearby Sections
15
§ 42-1001
Definitions§ 42-1005
Powers and duties of director§ 42-1007
Service of process upon the director§ 42-1051
Definitions§ 42-1052
Suits to enforce state tax; comity§ 42-11001
Definitions§ 42-11002
Property subject to taxation§ 42-11003
Double taxation prohibitedCite This Page — Counsel Stack
Bluebook (online)
Arizona § 42-2078, Counsel Stack Legal Research, https://law.counselstack.com/statute/az/42-2078.