2. If such method of appointment is not complied with wholly or in part within the period of time agreed to by the parties, or, in the absence of such period of time, within four weeks * after commencement of the arbitrati­on, the appointment of the arbitrator(s) shall take place in accordance with the list-procedure provided in article 14.

3. If one or more of the arbitrators who were appointed by the parties themselves do not, in the opinion of the Admini­stra­tor, offer sufficient safeguards for a sound arbitration, the Administrator may refuse to adminis­ter the arbitration,

unless the parties agree to the replacement of such arbitrator in accordance with the list-procedure provided in article 14.

Article 14 - List-Procedure

1. As soon as possible after receipt of the short answer referred to in article 7 or, on the absence thereof, after expiration of the period of time for filing of short answer, the Administrator shall communicate to each of the parties an identical list of names. If one arbitrator is to be appoin­ted, the list shall contain not less than three names; if three arbi­trators are to be appointed, the list shall contain not less than nine names.