Information and Communication Technologies [No. 15 of 2009 141 (b) radiocommunication services established by the Authority or a licensee after the date of issue of the licence are available to the licensee and provide an adequate means of communication for the licensee's purposes. (4) Where a licence is revoked, the person in possession or control of a radio station to which the licence relates, shall dispose of the radio station within such period as the Authority may direct. (6) A licence or certificate shall not be cancelled, nor shall its renewal be refused, without giving the holder thereof a reasonable opportunity to be heard. 38. (1) A person who desires to construct a railway or works for the supply of light, heat or power by means of electricity shall— give one month's notice in writing to the Authority of the intention to commence the construction of the railway or works and cause a copy of that notice to be published in the Gazette and in one daily newspaper of general circulation in Zambia; and furnish the Authority with a plan of the proposed railway or works, together with particulars showing the manner and position in which the railway or works are to be constructed and operated and any further information that the Authority may require. (2) Where it appears to the Authority that— the operation of, or the equipment to be used in connection with, a railway or works referred to in subsection (1) is likely to interfere with the operation or maintenance of a radio station or radio station apparatus or the carrying on of a licenced radiocommunication service; or the operation or maintenance of a radio station or radio station apparatus of a licensee, or a radiocommunication service carried on by a l icensee, is being interfered with by the construction or operation of the equipment used in connection with a railway or works referred to in subsection (1 ); or any railway, works or other operations whatsoever; the Authority shall, in writing, notify the person constructing or operating the railway or works, of the action which the person shall take to remedy or prevent the interference. Notice to be given of certain works