A petition may be filed by:
(A) Either parent when termination is sought with respect to the other parent;
(B) An authorized Tribal representative or KCWS;
(C) Any other person possessing a legitimate interest in the matter; or
(D) A parent seeking voluntary termination of his or her parental rights.
No parental rights may be terminated or modified unless a petition has first been filed, written notice has been given, and a hearing held in accordance with the provisions of this article.