The Ministry of Post and Telecommunication defines the types of telecommunication equipment that requires supervision. Telephone sets and computers shall have a menu and be able to use content in Lao language. Part IV Network Interconnection and Use of Telecommunication Infrastructure Article 19 (new). Network Interconnection The telecommunication service providers shall have the right to request to interconnect their networks with telecommunication networks or services of others; while they are also obliged to others to interconnect with their own networks or services on equal basis and shall provide information on network interconnection and shall disclose their interconnection agreements. Telecommunication service providers shall secure technical requirements on interconnection such as compliance with the technical standards on network interconnection defined by the Ministry of Post and Telecommunication and shall assure the safety of the networks. Article 20 (new). Use of Infrastructure Service providers shall share the telecommunication infrastructure without discrimination in terms of conditions, quality and services based on mutual benefit to avoid overlapping investment. Article 21 (new). Calculation of Charges for the Interconnection and Use of Infrastructure The calculation of charges for the interconnection and use of telecommunication infrastructure shall be based on transparency, equality and non-discrimination principles and based on actual costs and agreements among telecommunication service providers. Part V Telecommunication Service Operations Chapter 1