Restrictions on Dominant Telecommunications Services Providers  Under the Telecommunications Act, the regulations governing dominant telecommunications services  providers apply only to Type I service providers. A Type I service provider is deemed to be dominant if it meets  any of the following criteria and was declared by the Ministry of Transportation and Communications or now the  National Communications Commission as dominant:  We have been declared by the former competent authority Ministry of Transportation and Communications  as a dominant Type I service provider for fixed line and mobile services.  Under the Telecommunications Act, a dominant Type I service provider must not engage in the following  activities:  PART I • controls key basic telecommunications infrastructure;  •  has dominant power over market price; or  • has more than a 25% market share in terms of customers or revenues.  •  directly or indirectly hinder a request for interconnection with its proprietary technology by other  Type I service providers;  •  refuse to release to other Type I service providers the calculation methods of its interconnection fees  and other relevant materials;  • improperly determine, maintain or change its tariffs or means of services;  • reject, without due cause, a request for leasing network components by other Type I service  providers;  • reject, without due cause, a request for leasing lines by other service providers or customers;  • reject, without due cause, a request for negotiation or testing by other service providers or customers;  • reject, without due cause, a request for negotiation for co-location by other service providers;  • discriminate, without due cause, against other service providers or customers; or  • abuse its position as a dominant provider, or engage in other unfair competition activities as  determined by the regulatory authorities.  In addition, a dominant Type I service provider is subject to special regulations limiting its tariff changes.  55