A.R.S. § 14-1407: Representation by person having substantially identical interest

Unless otherwise represented, a minor, incapacitated person, unborn child or person whose identity or location is unknown and not reasonably ascertainable may be represented by and bound by another person who has a substantially identical interest with respect to the particular question or dispute, but only to the extent there is no material conflict of interest between the representative and the person represented with respect to the particular question or dispute.