(2) When the court grants legal custody to a private institution or agency or to a suitable person or entity, the court may grant guardianship of the ward to the private institution or agency to which the ward is committed or to the suitable person or entity if it appears necessary to do so in the interests of the ward.
(3) Unless guardianship is granted as provided in subsection (1) or (2) of this section, the court as an incident of its wardship has the duties and authority of the guardian as provided in ORS 419B.376 and 419B.379. [Formerly 419B.370]