Asked my buddy who is an attorney for FINRA "Can a
Post# of 148277
His response: "Typically yes, the arbitrator can IF there is an arbitration agreement. There may be some jurisdiction dependent exceptions."
Based on the below though I don't think NSF will be on the hook:
The corporate veil can be pierced if the parent company dominates the subsidiary to the point that the subsidiary shows no separate corporate interests of its own, and the plaintiff demonstrates that an injustice or wrong will likely result to the plaintiff if the corporate veil is not pierced.