COPYRIGHT ORDINANCE PART II—DIVISION I Section 12 2-24 Cap. 528 (e) in the case of the typographical arrangement of a published edition, the publisher. (3) In the case of a literary, dramatic, musical or artistic work which is computer-generated, the author is taken to be the person by whom the arrangements necessary for the creation of the work are undertaken. (4) For the purposes of this Part a work is of “unknown authorship” if the identity of the author is unknown or, in the case of a work of joint authorship, if the identity of none of the authors is known. (5) For the purposes of this Part the identity of an author is regarded as unknown if it is not possible for a person to ascertain his identity by reasonable inquiry; but if his identity is once known it shall not subsequently be regarded as unknown. [cf. 1988 c. 48 s. 9 U.K.] 12. Works of joint authorship (1) In this Part a “work of joint authorship” (合作作品) means a work made by the collaboration of 2 or more authors in which the contribution of each author is not distinct from that of the other author or authors. (2) A film is treated as a work of joint authorship unless the producer and the principal director are the same person. (3) A broadcast is treated as a work of joint authorship in a case where more than one person is to be taken as making the broadcast (section 8(3)). (4) References in this Part to the author of a work are, except as otherwise provided, construed in relation to a work of joint authorship as references to all the authors of the work. [cf. 1988 c. 48 s. 10 U.K.] Last updated date 3.3.2014