Final Draft/Rev.5 operators. Cost-oriented prices 90. Every licensee shall ensure that the price of its product and services reflect the underlying costs of providing that product or services and shall avoid cross subsidisation between services. Margin squeezing 91. (1) In order to ensure fair competition licensee shall ensure that the difference between the retail price and wholesale prices are not set too low in order to squeeze other competing operators from the market. Predatory pricing 92. The retail price of the licensed services shall not be unjustifiably set below the cost in order to foreclose the market to competing operators. Abusive bundling or tying of services 93 (1) Every licensee shall avoid bundling services or tying services in order to leverage market power horizontally or vertically. (2) The bundling of uncompetitive or limited competition services with competitive services is prohibited. Application for tariff approval Investigation on tariffs Tariffs filing 94. Unless otherwise exempted by the Authority, tariffs for all regulated services shall be filed with the Authority for approval prior to market implementation. All applications for approval of tariffs shall (a) be filed with the Authority (b) conform to the principles as may be defined by the Authority; and (c) contain relevant documentation, including all calculations and other information in support of the application. 95. The Authority may, on its own motion or pursuant to a complaint investigate any tariffs charged by a licensee and make a determination as appropriate. 96. (1) Every licensee who provides services to the public shall file with the Authority schedules of their tariff rates including those of their agents and correspondents. (2) Every licensee whose services are not subject to a tariff shall 38