If it becomes evident in the course of a formal testacy proceeding that, though one or more instruments are entitled to be probated, the decedent's estate is or may be partially intestate, the court shall enter an order to that effect.
A.R.S. § 14-3411
Formal testacy proceedings; partial intestacy
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.