(5) Despite anything contained in the Arbitration Act or in any other Act, any arbitrator or umpire to whom a dispute is referred under the rules of a society or branch or the Registrar to whom a dispute is referred or application is made to hear and determine a dispute under this section shall not be compelled to state a special case on any question of law arising in the case, but the Registrar may, if he or she thinks fit, or, at the request of either party, state a case for the opinion of the High Court on any question of law, and may also grant to either party such discovery as to documents and otherwise, or such inspection of documents, as might be granted by the High Court, and the discovery shall be made on behalf of the society or branch by such officer thereof as the High Court or Registrar may determine.