(1) A juvenile court having subject matter jurisdiction has jurisdiction over:
(a) A party, who has been served in the matter as provided in ORS
419B.812 to
419B.839 to the extent that prosecution of the action is not inconsistent with the Constitution of this state and the Constitution of the United States;
(b) A child under 12 years of age who is the subject of a petition filed pursuant to ORS
419B.100; and
(c) Any other party specified in ORS
419B.875(1).
(2) Juvenile court jurisdiction is subject to ORS
109.701 to
109.834.