(1) Upon appointment, a referee must invite the undertakers to send to the referee, within 28 days after the date of the appointment, a written statement of the grounds of their complaint.
(2) The referee must send a copy of that statement to the engineer who made the recommendation or determination with a request for the engineer’s written observations within 28 days after the date of that request.
(3) The referee must send a copy of the written observations of the engineer to the undertakers for comment and may arrange to meet the undertakers and the engineer (or the representatives of either) together to hear any observations either party may wish to make orally.
(4) The referee may, at any time during investigation of the complaint, make an inspection of the reservoir with or without the undertakers and the engineer (or the representatives of either).
(5) Except as otherwise provided in this rule, the referee may conduct the investigation in such manner as the referee determines.
(6) After concluding the investigation of the complaint, the referee must communicate the referee’s decision on the report or determination, and reasons for it, to the undertakers and the engineer as soon as practicable.