(a) An associate judge shall give all parties notice of the right to a de novo hearing to the judge of the referring court.
(b) The notice may be given:
(1) by oral statement in open court;
(2) by posting inside or outside the courtroom of the referring court; or
(3) as otherwise directed by the referring court.
(c) Before the start of a hearing by an associate judge, a party may waive the right of a de novo hearing before the referring court in writing or on the record.