Copyright Act, 1963
Anonymous and pseudonymous works.
15.—(1) The preceding provisions of this Part of this Act shall, in the case of works published anonymously or pseudonymously, have effect subject to the provisions of this section.
(2) (a) Where the first publication of a literary, dramatic or musical work, or of an artistic work other than a photograph, is anonymous or pseudonymous, any copyright subsisting in the work, by virtue of section 8 or 9 of this Act shall continue to subsist until the end of the period of fifty years from the end of the year in which the work was first published.
(b) This subsection shall not apply to any work as respects which, at any time before the end of the period mentioned in the subsection, it is possible for a person without previous knowledge of the facts to ascertain the identity of the author of the work by reasonable enquiry.
(3) The publisher of a work which is published anonymously or pseudonymously may be authorised by the author of the work to grant any assignment or licence in the copyright subsisting in the work and owned by the author without disclosing the identity of the author to the assignee or licensee.
(4) For the purposes of this Act a publication of a work under two or more names shall not be taken to be pseudonymous unless all those names are pseudonyms.