One gap

1) A dispute arose ? a trivial matter.

2) We must settle this dispute ? of court.

3) We never wanted to refer a dispute ? arbitration.

4) The matter was eventually settled ? arbitration.

5) The parties ? the dispute come from different jurisdictions.

6) The arbitration award is binding ? the parties.

7) They were satisfied ? the arbitrator appointed.

8) ? what grounds did they challenge the award?

9) The arbitral award was served ? the other party.

10) You cannot recover the arbitration fee ? the other party.

11) The arbitrators should act ? impartiality.

12) Ten employees are currently ? dispute.