According to the BA Guidelines on Conflict of Interest in International Arbitration, which of the following circumstances does the arbitrator not have a duty to disclose?

Select all that are correct.

1 Two years ago, the arbitrator has served as counsel to one of the parties

2 The law firm of the arbitrator is currently rendering services to one of the parties

3 The sister of the arbitrator is a shareholder in one of the parties

4 Ten years ago, the arbitrator has served on a non-related issue involving one of the parties