In any child custody proceeding based on allegations that an Indian child is within the jurisdiction of the court under ORS 109.266 to 109.410 or ORS chapter 419B, the court must determine the residence and domicile of the Indian child and whether the Indian child is a ward of tribal court. The court shall communicate with any tribal courts to the extent necessary to make a determination under this section.
ORS 419B.621
See note under 419B.600.