(8) A dominant telecommunications service provider shall comply with guidelines that relate to regulated services that are issued by the Commission. (9) A licensee who contravenes this Regulation commits an offence. 7. Review of tariffs for regulated services. (1) A licensee who wishes to review the tariffs for a regulated service shall file an application for approval of the review with the Commission in the prescribed manner, at least ninety days before the proposed review is intended to come into effect. (2) The obligations that relate to the provision of a regulated service shall cease when a licensee ceases to be dominant or the market or the market segment becomes competitive. 8. Notice on review of tariffs for regulated services. (1) The Commission shall, at least thirty days after the receiving an application for tariff review under these Regulations, place a notice in the Gazette and in such other manner as it considers necessary. (2) The notice under paragraph (1) shall— (a) contain the name and particulars of the licensee or class of licensees providing the service to which the tariffs relates; (b) state the new tariff and the reasons for the proposed review of the tariff; and (c) specify the period, which shall not be less than thirty days, within which written objections or representations to the proposed new tariff may be made. (3) The Commission shall in considering the application for tariff revision take into account any written representations or objections received under paragraph (2) (c). 9. Decision on tariff revision application. (1) The Commission may approve or reject the tariffs proposed a regulated service. (2) The Commission may reject an application for the revision of a tariff if it is of the view that the proposed tariff is unjustifiable, unfair or unreasonable.