enquiries, fraud detection, marketing electronic communications or providing a value-added service, and must be restricted to what is necessary for the purpose of such activities. Article 43 Location data Data on location of equipment in a public electronic communications network or public electronic communications service may only be processed if it has been made anonymous or with the consent of the users. Notwithstanding the provisions of the first paragraph an electronic communications undertaking may, without the consent of users, send data covered by this Article to companies or institutions handling emergency services and recognised as such, including law enforcement agencies, ambulance services and fire brigades. PTA shall lay down rules on provision and processing of data. Article 44 Automatic call forwarding Any subscriber of electronic communications services shall be able, simplyand free of charge, to stop automatic call forwarding by a third party to the subscriber's terminal. Article 45 Directories of subscribers Subscribers to electronic communications services shall be entitled to listing in public number and address directories and to view the information listed concerning them. Subscribers shall be entitled to be omitted from directory databases and no charge may be made for such. Before personal data on subscribers are listed in a printed or electronic directory of subscribers, they shall be entitled to access to this information. Personal data which is listed in printed or electronic directories and with information services for telephone numbers shall be limited to the information necessary in order to identify a subscriber, unless the subscriber has granted a clear authorisation otherwise. Electronic communications undertakings shall comply with demands from subscribers that a directory indicate that the information listed on them may not be used for direct marketing or that an address be partially or fully omitted. PTA shall ensure that all users have the possibility of listing in at least one telephone directory containing information on all telephone numbers. PTA shall also ensure that all users have access to at least one telephone information service with information on all telephone numbers, subject to the provisions of the first paragraph. To this end, PTA may impose suitable obligations on undertakings with a significant market power. PTA may require all electronic communications undertakings assigning telephone numbers to their subscribers to agree to requests to provide the information in question in such format as the parties agree upon, including computer-readable format, on terms which are fair and based on cost plus a reasonable premium. The information may not 21/34