Impartiality in Grievance Arbitration Is Reflected In

Impartiality in grievance arbitration is reflected in:

A) the even sharing of an arbitrator's fee by the involved company and the union.
B) an arbitrator's right to work outside the framework that the involved parties have negotiated in their collective bargaining agreement.
C) the effort made by courts to ensure that an arbitrator has never ruled on a similar case.
D) an arbitrator's power to subpoena witnesses or records.