1. The following persons may petition the court to have a guardian removed:
(a) The protected minor;
(b) Any relative who is within the second degree of consanguinity to the protected minor;
(c) Any attorney of the protected minor;
(d) An agency which provides child welfare services; or
(e) Any other interested person.
2. The petition must:
(a) State with particularity the reasons for removing the guardian; and
(b) Show cause for the removal.
3. If the court denies the petition for removal, the petitioner shall not file a subsequent petition unless a material change of circumstances warrants a subsequent petition.
4. If the court finds that the petitioner did not file a petition for removal in good faith or in furtherance of the best interests of the protected minor, the court may impose sanctions on the petitioner.