382 P.3d 1226
Ariz. Ct. App.2016Background
- South Point Energy Center operates a power plant on land held in trust by the U.S. for the Fort Mojave (Port Mojave) Tribe; the plant sits on leased tribal land.
- South Point sued in Arizona tax court challenging property tax assessments for 2010–2013, invoking federal preemption and Arizona statutes permitting correction or recovery of erroneous/illegal taxes (A.R.S. §§ 42-16251–16259; 42-11005/42-16254(G)).
- Defendants (Arizona Department of Revenue and Mohave County) moved to dismiss/for summary judgment, arguing South Point was collaterally estopped by an earlier case (Calpine) that upheld taxation of the plant for earlier years, and that error-correction relief was unavailable.
- The tax court granted summary judgment for Defendants on both grounds, concluding (1) issue preclusion barred South Point’s preemption claim because Calpine could have raised preemption, and (2) no statutory error existed under the error-correction scheme for 2010–2011.
- The court of appeals vacated those judgments and remanded, holding (a) issue preclusion did not apply because preemption was not actually litigated in Calpine, and (b) a preemption-based claim, if correct, would constitute an ‘‘error’’ under the error-correction statutes (e.g., a zero tax rate), so dismissal on that ground was improper.
Issues
| Issue | Plaintiff's Argument | Defendant's Argument | Held |
|---|---|---|---|
| Whether South Point is collaterally estopped from litigating federal preemption of state/local taxation | South Point: Calpine did not decide preemption; South Point may raise federal preemption for 2010–2013 | Defendants: Calpine’s earlier judgment deciding taxability precludes relitigation for later years | Issue preclusion does not apply — preemption was not actually litigated in Calpine, so claim may be adjudicated on the merits |
| Whether relief under AZ error-correction statutes is unavailable because there was no "error" due to Calpine | South Point: If federal law preempts taxation, imposition of any tax is an illegal/error and falls within statutory correction/recovery remedies | Defendants: Calpine resolved taxability, so no error; statutes therefore don't provide relief | Error-correction statutes can cover a preemption-based error; summary judgment for Defendants on this ground was erroneous |
Key Cases Cited
- Calpine Constr. Fin. Co. v. Ariz. Dep’t of Revenue, 221 Ariz. 244 (affirming taxability of the plant owned by Calpine)
- Comm’r v. Sunnen, 333 U.S. 591 (issue preclusion in tax cases limited to matters actually litigated and decided)
- Lyons v. State Bd. of Equalization, 209 Ariz. 497 (Arizona error-correction statutes provide procedure to correct assessing/collecting errors)
- Pima Cnty. Assessor v. Ariz. State Bd. of Equalization, 195 Ariz. 329 (statutory construction principles and remedial intent of tax correction statutes)
- Chaney Bldg. Co. v. City of Tucson, 148 Ariz. 571 (elements and limits of issue preclusion)