(1) In a proceeding under the care and protection chapters, the court—
(a) is not bound by the rules of evidence; and
(b) may inform itself of a matter in any way that it considers appropriate.
(2) Also, if the court is making, extending, amending or revoking an order under the care and protection chapters, the court may—
(a) admit and act on hearsay evidence; and
(b) take submissions from someone who is not a party.