US lawArizonaCourt rulesARE — Rules of Evidence for Courts in the State of ArizonaArticle VI. Witnesses605Ariz. R. Evid. 605Rule 605. Judge's Competency as a WitnessLast amended: 2012Year: 2026Length: 23 wordsOfficial source The judge presiding at trial may not testify as a witness at the trial. A party need not object to preserve the issue.PreviousAriz. R. Evid. 604NextAriz. R. Evid. 606