(2) Upon the filing of a petition to terminate parental rights, the court shall make a finding, subject to the procedures under ORS 419B.636 (4), regarding whether there is reason to know that the ward is an Indian child. [1993 c.33 §138; 1993 c.546 §56; 1997 c.873 §6; 2003 c.396 §83; 2011 c.438 §5; 2020 s.s.1 c.14 §48; 2021 c.398 §62]