operations relating to the contracting authority between the operator and the subscriber; - to get for free of the communication of the personal data concerning it and require that they be rectified, completed, specified, updated or erased. Article 165 : The consumer should not be in charge of a service which he did not profit from request. Article 66 : When a business operator or a service provider calls services in marketing services companies, it must in the contractual relations with those companies, insuring the compliance with obligations to the identification of its subscribers, conditions of confidentiality and neutrality messages transmitted and information connected to the communications. The responsibility of the operator or service provider can be committed for the offenses made by the marketing companies with which it has entered into aforementioned obligations. Article 167 : The operators are compelled to take the necessary measures to ensure the safety of the Page 46 communications using their networks. For this purpose, they inform their customers of the existing services making it possible to reinforce the safety of the communications. The ARTCI can finance an audit on the safety of the networks of an operator or service provider. Article 168 : The operators and the service providers are compelled to observe minimum time reallocate a canceled phone number. Article 169 : A user can choose a phone number among the numbers of an operator or service provider when that is possible. Article 170 : The operators of mobile telephone networks and services providers to provide the service of mobile telephony terminals stolen or lost, at the latest one year after the promulgation of the hereby ordinance. Chapter IV: Pricing of networks and services