A competent arbitrator or arbitral tribunal masters the delicate act of balancing between ensuring the parties fully present their case and ensuring the efficiency of the arbitration proceedings. What are the elements considered by arbitrators in making decision of granting or rejecting procedural request by the parties? Are there parameters can be used to identify a dilatory tactic, or one have to rely on the experience as arbitrator? This session will try to answer these questions by explaining how to distinguish a parties’ fundamental right from dilatory tactics. The effects of these tactics on the efficiency of the proceedings and how these can be avoided by ensuring arbitrator are not suffering from due process paranoia.