12. The body is required to(1) take measures to circumscribe the issue and, where expedient, to promote reconciliation between the parties;
(2) give the parties the opportunity to prove the facts in support of their allegations and to present arguments;
(3) provide, if necessary, fair and impartial assistance to each party during the hearing;
(4) allow each party to be assisted or represented by persons empowered by law to do so.