The order of presentation at the fact-finding hearing shall be as agreed by the parties or as determined by the fact finder. The fact finder shall be the judge of the relevancy of the evidence. All evidence shall be taken in the presence of all parties, unless a party is absent in default or has waived its right to be present. Each documentary exhibit shall be submitted to the fact finder and copies shall be provided to the other parties. The exhibits shall be retained by the fact finder until an agreement has been signed, after which they may be disposed of as agreed by the parties or as ordered by the fact finder.