identity of the author by reasonable inquiry. (6) Where in any proceedings brought by virtue of this Chapter with respect to the alleged infringement of copyright in a cinematograph film it is proved that the name purporting to be the name of the author of that film appears thereon in the prescribed manner, the person whose name so appears shall be presumed to be the author of that film, unless the contrary is proved. (7) Where in any proceedings brought by virtue of this Chapter with respect to the alleged infringement of copyright in a sound recording it is proved that records embodying that recording or part thereof have been issued to the public and that at the time when those records were so issued the following claims appeared on a label or any other printed matter affixed to such records or in or on anything in which they were contained, that is to say(a) that a person named on the label or printed matter is the author of the sound recording; or (b) that the recording was first published in a year and at a place specified on the label or printed matter, that label or printed matter shall be sufficient evidence of the facts so stated, except in so far as the contrary is proved. (7A) A claim contemplated in paragraph (a) of subsection (7) may be made by means of the symbol 'C' in conjunction with the name of the person concerned, and a claim contemplated in paragraph (b) of that subsection may be made by means of the symbol 'P' in conjunction with the year and place in question. (8) ...... (9) In any proceedings by virtue of this Chapter with regard to the alleged infringement of the copyright in a cinematograph film registered in terms of the Registration of Copyright in Cinematograph Films Act, 1977 (Act 62 of 1977), it shall be presumed(a) that every party to those proceedings had knowledge of the particulars entered in the register of copyright mentioned in section 15 of the said Act from the date of the lodging of the application in question to record those particulars; (b) that the person who is alleged to have done an act which infringes the relevant copyright did that act without the required authority, unless the contrary is proved. (10) In any proceedings by virtue of this Chapter with regard to the alleged infringement of the copyright in a cinematograph film, a sound recording or a computer program, it shall be presumed, until the contrary is proved, that any person trading in the selling, letting or distribution of copies of any of the said works, and who was found in Source: http://www.wipo.int/portal/es/