Independent Broadcasting Authority [No. 17 of 2002 349 (b)be informative, educational and entertaining; (c) focus on the provision of programmes that highlight grassroots issues including but not limited to developmental issues, health care, basic information and general education, environmental affairs and other spiritual matters; and (d) promote the development of a sense of common religious purpose and improve the quality of life. 23. (1) A subscription broadcasting service licensee may, for purposes of providing the broadcasting service, draw revenue from subscription, advertising and sponsorship. Subscription broadcasting services (2) A subscription broadcasting service licensee in providing subscription broadcasting services, may not acquire exclusive rights to the broadcasting of any national, sporting, or other event which is identified, by the Authority, to be in the public interest. 24. (1) All commercial broadcasting service licensees shall, subject to the conditions of the licence, provide such free-to-air broadcasting services as may be determined by the Authority. Free to air broadcasting services (2) Where programming is provided by free-to-air television broadcasting the programmes shall, as a whole include significant proportions of Zambian drama, documentaries and children's programmes that reflect Zambian themes, literature and historical events: Provided that the Authority may make regulations on the proportion of Zambian programming and other matters to be broadcast by a broadcasting licensee and may require such broadcasting licensee to provide programming which reflects Zambian circumstances in accordance with the provisions of this Act. 25. (1) Subject to the provisions of this Act, no person shall operate a diffusion service in Zambia otherwise than in accordance with the terms and conditions of a licence issued by the Authority and on payment of such fees as the Authority may determine. Licensing of operator of diffusion (2) The provisions of subsections (2) and (3) of section nineteen shall apply with necessary modification to operators of diffusion services. 26. (1) The Authority shall put the frequencies assigned to the various broadcasting sectors up for public tender as soon as they become available and state the deadline for receiving the applications. (2) An application for a licence shall be made to the Board and Licensing procedures