79 from the date on which such work was first lawfully published: Provided that where, before the expiration of the said period of fifty years the author's identity is revealed or is no longer in doubt, subsection (1) or (2) shall apply, as the case may be. (4) In the case of a cinematographic or other audiovisual work, the rights referred to in section 7 shall be protected until the expiration of fifty years from the making of the work or, if the work is made available to the public during that period of fifty years with the consent of the author, fifty years from the date of its communication to the public. (5) In the case of a photographic work or a work of applied art, the rights referred to in sections 6 and 7 shall be protected until the expiration of twenty­ five years from the making of the work. (6) Every period provided for under the preceding subsections shall run to the end of the calendar year in which it would otherwise expire. Ownership of copyright 14. (1) The right in a work protected under this order shall be owned in the first instance by the author or authors who created the work. (2) The authors of a work of joint authorship shall be co-owners of the said rights. (3) In the absence of proof to the contrary, the author of a work is the person under whose name the work is disclosed. (4) In the case of a work created by an author for any person or body corporate in the course of fulfillment of his duties under a contract of service or employment, the rights in the work referred to in section 7 shall, in the absence of oontractual provisions to the contrary, be deemed to be assigned to the employer of the author to such extent as may be necessary to its customary activity at the time of the conclusion of the relevant contract of service or employment. P. 19 of 1935 A. 26 of 1873 P. 2 of 1953 (5) The rights referred to in sections 7 and 8 shall be inherited according to the Administration of Estates Proclamation 1935 , the Law of Inheritance 1873 and the Interstate Succession Proclamation 1953. Assignmel1t of author's rights 15 . (1) The rights referred to in section 7 may be assigned in whole or in part and assignment effects transfer of ownership of the right assigned. (2) Any assignement of a right referred to in section 7 shall be in writing signed by the assignor and the assignee. (3) An assingment or testamentary disposition of copyright may be limited so as to apply to some only of the acts which the owner of the copyright has the exclusive right to control; or to a part only of the period of the copyright; or to a specified country or other geographical area. (4) The transfer of ownership of the original or of one or several copies of a work shall not imply the assignment of rights in the work. Licence contracts for the use of author's works