120. The arbitrator may make more than one award at different times on different aspects of the matters to be determined.
121. The arbitrator may, in particular, make an award relating:
(i)to an issue affecting the whole claim, or
(ii)to a part only of the claim submitted to him or her for decision.
122. If the arbitrator does so, he or she shall specify in his or her award the issue, or the claim or part of a claim, which is the subject matter of the award.