The catalogs of interconnection of the powerful operators the approval of the National Regulatory Authority. The Authority can require the powerful operator to: - add additional offers of service, in particular service for third party or unpacking; Page 18 These changes are justified in comparison with the implementation of the the principles of non-discrimination and the orientation of the tariffs of interconnection towards the costs. The Telecommunications / ICT Regulatory Agency must publish clear and transparent procedure the service of interconnection of the operators and service providers. The powerful operators or service providers on the market (s) of infrastructure also compelled to universal publish a technical and tariff offer in their catalog of interconnection according to the markets for which they have been declared powerful. The operators and service providers are compelled to communicate their catalogs of interconnection to any operator or service provider The approved catalogs of interconnection are available on the web site and suppliers and Regulatory Agency. Article 42: A decree shall be the minimum of the catalogs of interconnection of the or service providers. Article 43 : If the powerful operator can not provide the interconnection to the network point Requested, the Regulatory Agency can, when the request of the applicant is reasonable: - Request the applicant to build the infrastructure and have the powerful operator refund his investment. On this assumption, the costs of the infrastructure to be built are negotiated between the parties under the control of the Regulatory Agency; - Request the powerful operator to provide an interconnection to another point