If conflicting claims as to the domicile of a decedent are made in a formal testacy or appointment proceeding commenced in this state, and in a testacy or appointment proceeding after notice pending at the same time in another state, the court of this state must stay, dismiss or permit suitable amendment in, the proceeding here unless it is determined that the local proceeding was commenced before the proceeding elsewhere. The determination of domicile in the proceeding first commenced must be accepted as determinative in the formal testacy or appointment proceeding in this state.
A.R.S. § 14-3202
Appointment or testacy proceedings; conflicting claim of domicile in another state
Applied in 2 court decisions — leading case Collins v. Truman (1989)
Most recently applied in In Re The Matter Of The Estate Of: Bert W. Hook (May 2016)
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.