(1) The referee’s report must—(a) be in writing; and(b) state the referee’s decision or opinion on the question the subject of the inquiry and the reasons for the decision or opinion; and(c) if the referee was directed under rule 501 (3) (d) to give further information in the referee’s report—state the information; and(d) attach copies of all statements given under rule 504 (1) .
(2) The referee must file the referee’s report in the court.