(2) No copyright shall exist in a broadcast which infringes, or to the extent that it infringes, the copyright in another broadcast. (3) Subject to subsection (4) all copies of the ephemeral recording shall be destroyed within a period of six months or longer period as may be authorised by the copyright owner. (4) Where a recording under subsection (1) is of exceptional documentary character, a copy of the recording may be preserved for the National Archives. (5) The preservation of a copy under subsection (4) does not affect, in any way, the rights of the author in the work that was broadcast. (6) Whether the recording of a broadcast under subsection(1) is of an exceptional documentary character is a question of fact to be determined having regard to all the circumstances and in particular to the need for the enhancement of the historical or social aspect of life in Uganda. 17. Non-exclusive licence (1) A person who is a citizen of Uganda or who is ordinarily resident in Uganda may apply to the Minister for a non-exclusive licence— (a) to make and publish or to cause to make and publish a translation of a work into the English, Swahili or any Ugandan language and to produce or cause to produce copies from them; (b) to reproduce or cause to be reproduced a work which is published, and to publish or cause to be published in a material form the work reproduced. (2) An application for translation shall not be issued under paragraph (a) of subsection (1) until one year has expired from the date of the publication of the work in a material form. (3) Where the author of the work has withdrawn all copies of the work from circulation, no licence under paragraph (a) of subsection (1) shall be granted by the Minister in respect of that work. (4) The Minister shall not grant a licence under paragraph (b) of subsection (1)— (a) until the following period commencing from the date of first publication of the work in a material form, has expired— (i) three years in the case of work in a material form of technology or natural or physical science including mathematics; (ii) five years in the case of music or any other related work; (iii) seven years in the case of work of fiction, poetry, drama or for a book of art;