CHAPTER IX PRICE REGULATION Article 46 Tariff filing 1. A service provider shall file with the Authority the standard wholesale and retail prices of telecommunications services it supplies within fourteen days of setting or changing such prices. 2. The Authority may prescribe the manner in which tariffs are to be filed pursuant to the preceding paragraph. Article 47 Tariff regulation 1. The Authority may regulate the prices charged by a service provider in a telecommunications market in which it has significant market power: a) By referring to relevant benchmarks in accordance with paragraph 3; or b) Where the Authority considers it more appropriate under the circumstances, or where requested by the service provider, on the basis of an economically efficient cost model. 2. In performing its functions and responsibilities and exercising its powers pursuant to this article, the Authority shall take into account: a) Any need to protect consumers from excessive prices; b) The development of competition in the relevant telecommunications market; and c) Any need to prevent pricing practices that hinder, restrict or distort competition in such telecommunications market. 3. Relevant benchmarks shall be identified by reviewing prices of services substantially similar to those services being assessed, derived from countries in which: a) A reasonable level of competition exists in the provision of the services in question; or b) Prices of the services in question are set on the basis of economically efficient costs. 4. The regulation of tariffs pursuant to this article shall be subject to paragraph 4 of Article 19.