Tariffs for unreserved 79. (1) All postal licensees shall have the power to set tariffs for postal services which are open to competition. postal services (2) All tariffs for unreserved postal services shall be made available to the public by displaying them in conspicuous places in post offices or in the offices of licensees. (2) It shall be an offence under this regulation not to display tariffs for postal services at all or in a conspicuous place. Tariffs for reserved postal services 80. (1) Tariffs applicable to reserved postal services and the standard of delivery of such services shall be determined by the Commission from time to time. (2) Any review of tariffs relating to reserved postal services shall be implemented upon approval by the Commission. (3) In considering review of tariffs for reserved postal services, the Commission shall ensure that the tariffs are based on the cost of providing efficient service in accordance with the licence and shall further ensure that such tariffs do not include(a) surcharges prevailing solely as a result of the public postal licensee’s exclusive right to provide reserved postal services; (b) anti-competition discounts likely to be prejudicial to licensees for unreserved postal services; (c) variation in rates that create any advantage for individual users within the same class of service in relation to users of postal services of the same type; and (d) any other consideration as the Commission may deem necessary; Provided that the Commission may authorise the levying of tariffs that are not based on costs of providing such service where the public postal licensee presents a case to the 59