company having obtained usage rights; and (g) obligations under relevant international agreements relating to frequency usage. Emergency service obligation 34. (1) An operator of public information and communications system or service shall- (a) make available to its subscribers free access to an emergency police, fire service, and medical number, preferably of three digits; and (b) publish the number continuously in its invoices, in its advertisements, on its premises, and, in the Gazette, within one month of its availability. (2) The operator shall coordinate the number with the agency of the Government of The Gambia responsible for the maintenance of personnel who route emergency police, fire service and medical calls. Services for the disabled 35. An operator of a public telecommunications system or service which installs or operates pay public telephones, shall ensure that the pay public telephones have facilities for audio assistance for the hearing impaired and dialling assistance for the visually impaired. Rights of licensees 36. Licensees which provide publicly available information and communications networks and services shall enjoy the right- (a) to negotiate interconnection with, and obtain access or interconnection from other providers of publicly available communications networks and services, under the conditions of and in accordance with this Act; and (b) the opportunity to be designated as a provider of certain elements of universal service or to cover different parts of The 57