the schedules of books of specifications; - at the end of the contract, Page 48 are restored, their value at the date of refunding. ο The ARTCI has the authority to change the terms of the contracts services. Article 116 : In the event of disputes with an operator or a service provider, in particular on the interruption of the service, a problem of invoicing, non-observance of the times of breakdown service, the user must first refer to the customer service of the operator or service provider. He can be assisted in his steps by an consumers' association or by a lawyer. The user can refer to, through a request, to the ARTCI in the event of unfruitful step. Article 177 : The referral to the ARTCI does not prevent the interruption of the supply of the service of a dispute. The consumer continues to profit from the other non litigious services to which he subscribed in his contract. Article 178 : Consumers' associations are entitled to be parties to legal proceedings On their own behalf, the removal of abusive clauses damage. The information obtained by ARTCI which is used by the can be used as evidence. Article179 : When the consumers are invited to a phone number of the message is compelled to indicate the prices applied to this call. Article 180 : The operators and services providers should not sign contracts with other entities for the purpose of limiting or modifying the competition on the markets. Tea abuse from dominant position is prohibited. Any change in the structure of the market resulting from merger, of acquisition of shares or all operations