US lawArizonaCourt rulesARTaxCt — Arizona Tax Court Rules of PracticePart II. Filing Documents in Tax Court5Ariz. Tax Ct. R. P. 5Rule 5. Required CoversheetLast amended: 2025Year: 2026Length: 26 wordsOfficial source When commencing a proceeding, plaintiffs must submit to the Tax Court clerk a completed tax cover sheet form designated by the Superior Court in Maricopa County.PreviousAriz. Tax Ct. R. P. 4NextAriz. Tax Ct. R. P. 6