supplying every information (v) and communication service; the quantity in which the information and communication service is supplied; (vi) the network configuration, including the capacity needed, to supply the information and communication service; (vii) the performance characteristics for the information and communication service supplied; and (viii) the terms and conditions on which the information and communication service is or is to be supplied, including the mode of payment. (3) No public operator shall demand or receive from any person payment of any tariff which – (a) has not been submitted to the Authority in accordance with subsections (1) and (2); (b) is different from the tariff submitted to the Authority under this section; or (c) (4) has been disallowed by the Authority. Every public operator shall display the tariff or alteration applicable for every information and communication service it offers in a conspicuous place at every point of sale of such service. (5) Where the Authority is provided with a tariff or alteration under subsection (1), it may, where the tariff or alteration has been provided by a public operator having a significant market power, require the public operator to provide such additional information as it considers necessary. (6) On receipt of a request from the Authority under subsection (5), the public operator shall provide the additional information within 15 days of the date of the request.