An application under this section shall not be considered unless—
it is made with the agreement of all the other parties to the proceedings, or
it is made with the permission of the tribunal ...
The application shall identify the question of law to be determined ....
Unless otherwise agreed by the parties, the arbitral tribunal may continue the arbitral proceedings and make an award while an application to the court under this section is pending.
Unless the court gives leave, no appeal lies from a decision of the court whether either condition specified in subsection (2) is met.