Code of Organization and Civil Procedure (Cap. 12), article 647

647. (1) No person may be appointed as a referee in any cause or matter if such person has already two references upon neithe r of which he has yet filed his final report; and any appointment ma de in violation of this provision shall be null and void: Exceptions. Provided that the provisions of this article shall not apply - (a) in any cause or matter whic h requires special technical knowledge if the number of persons possessing such special technical knowledge is very limited; or (b) where the necessity arises of referring to the same referee the consideration of further questions raised in the same cause or matter; (c) to the appointment of addi tional referees in accordance with the provisions of this Code. In the case provided under paragraph ( a), the court shall in the order of reference state the r easons for appointing the person mentioned in the order. Book of references. (2) The registrar shall keep a record of any order of reference made by the court stating the date of the order and the date on which the referee shall have filed his report. Challenge of referees.