If the arbitrators are responsible for the designation of the place of arbitration, without reaching agreement on the designation of the president of the arbitral tribunal, it must be chosen by the president of the court of the relation of the competent circle (under the terms of article 14, no. 2, of Decree-Law no. 31/86, of 29 August, amended by Decree-Law no. 38/2003, of 08 March). In this situation, the contract establishing the pension fund may not establish another criterion for the appointment of the president of the arbitral tribunal.