Section 21: Default of a party.

Unless otherwise agreed by the parties, if, without showing sufficient cause-(a) the claimant fails to state his claim as required under section 19(1) of this Act, the arbitral tribunal shall terminate the proceedings; or
(b) the respondent fails to state his defence as required under section 19(1) of this Act, the arbitral tribunal shall continue the proceedings without treating such failure in itsef as an admission of the claimant's allegations; or
(c) any party fails to appear at a hearing or to produce documentary evidence, the arbitral tribunal may continue the proceedings and make an award.