I. An adjudicatory hearing under this chapter shall be conducted by the court separate from the trial of criminal cases.
II. A record of the adjudicatory hearing shall be preserved unless expressly waived in writing by the parties, and the parties shall be notified in writing of their right to appeal.
III. The petitioner shall present witnesses to testify in support of the petition and any other evidence necessary to support the petition. The petitionees shall have the right to present evidence and witnesses on their own behalf and to cross-examine adverse witnesses. The admissibility of all evidence in this hearing shall be determined by RSA 169-C:12. The provisions of RSA 613:3, I, relative to the summoning of out-of-state witnesses, shall apply to the proceedings.