powers as provided for in this Law, provided that the Authority shall indicate the reasons which justify its request. The Licensee shall furnish such information to the Authority without delay, at such time and in such details as the Authority may specify. b) Without prejudice to the provisions of the preceding paragraph, the Authority shall from time to time collect information relating to the level of overall performance achieved by Licensees and the cost of such performance in connection to the operation of Telecommunications Networks and the provision of Telecommunications services. The Licensees shall furnish the Authority with information relating to the level of their performance in respect of each obligation prescribed in the conditions of the Licenses issued to them or in the regulations or decisions issued in this respect, at such time and in such details as the Authority may specify. Article (54) Publication of Information a) The Authority shall, at least once a year, arrange for the publication, in such form and manner as it deems appropriate, of the information collected in accordance with the provisions of this Law as may appear to the Authority to be appropriate, and including such information and advice as may be necessary to the Subscribers and Users. b) When fulfilling the obligation referred to in the preceding paragraph, the Authority shall comply with the need to exclude any information which relates to the private affairs of a Person and information whose publication might, in the opinion of the Authority, seriously and prejudicially affect the interests of any Person. Article (55) Procedures for Dealing with Complaints