Language used in proceedings. (1) The parties are free to agree on the language or languages to be used in the arbitral proceedings. If the parties do not agree, the arbitral tribunal shall determine the language or languages to be used in the proceedings. Unless otherwise specified therein, this agreement or determination shall apply to any written statement by a party, any hearing and any award, decision or other communication by the arbitral tribunal

(2) The arbitral tribunal may order that any documentary evidence shall be accompanied by a translation into the language or languages agreed upon by the parties or determined by the arbitral tribunal. [1991 c.405 §25]