with fair practice, that the extent thereof shall not exceed the extent justified by the purpose and that the source shall be mentioned, as well as the name of the author if it appears on the work.
(4) The copyright in a literary or musical work shall not be infringed by using such work, to the extent justified by the purpose, by way of illustration in any publication, broadcast or sound or visual record for teaching: Provided that such use shall be compatible with fair practice and that the source shall be mentioned, as well as the name of the author if it appears on the work.
(7) The copyright in an article published in a newspaper or periodical, or in a broadcast, on any current economic, political or religious topic shall not be infringed by reproducing it in the press or broadcasting it, if such reproduction or broadcast has not been expressly reserved and the source is clearly mentioned.
(9) The provisions of subsections (1) to (7) inclusive shall apply also with reference to an adaptation of a work.
(10) The provisions of subsections (1) to (4) inclusive and (6) and (7) shall apply also with reference to a work or an adaptation thereof which is transmitted in a diffusion service.
(11) The provisions of subsections (1) to (4) inclusive and (6), (7) and (10) shall be construed as embracing the right to use the work in question either in its original language or in a different language, and the right of translation of the author shall, in the latter event, be deemed not to have been infringed.
(12) The copyright in a literary or musical work or an adaptation thereof shall not be infringed by a bona fide demonstration thereof to a specific client by a licensed dealer in radio or television receivers or any type of recording equipment.