A.R.S. § 12-621: Procedure to establish identity of persons

A. When a person desires to establish his identity or fix his birthright and parentage, or both, he may file in the superior court in the county where his residence is maintained an application setting forth his reasons for desiring to establish his identity, birthright or parentage. The court may, after hearing the application, enter judgment establishing identity or birthright and parentage, or both, of such person.

B. The parent, guardian ad litem or next friend of a minor may file such application in the county where the minor's residence is maintained.