Article 24 Requests for numbering by telecommunications network operators and/or telecommunications services operators shall be granted based on the numbering system referred to in article 23. Part Seven Interconnection and Fees for the Right of Operation Article 25 (1) Every telecommunications network operator shall have the right to procure interconnection from other telecommunications network operators. (2) Every telecommunications network operator is obligated to provide interconnection if requested by other telecommunications network operators. (3) The exercise of the rights and obligations referred to in paragraph (1) and paragraph (2) shall be carried out based on the principle of: a. b. c. d. (4) efficient utilization of resources; compatibility of the system and the telecommunications equipment; increase of service quality; and fair competition, which is not mutually damaging. Provisions on telecommunications network interconnection, and the rights and obligations referred to in paragraph (1), paragraph (2) and paragraph (3) shall be regulated by Government Regulation. Article 26 (1) Every telecommunications network operator and/or telecommunications service operator is obligated to pay the fee for the rights of telecommunications operation collected based on a percentage of revenue. (2) Provisions concerning the fee for the right of telecommunications operation referred to in paragraph (1) shall be regulated by Government Regulation.