—cont.
2. The preceding paragraph shall not apply in the case of a work if, at any time before the end of the period mentioned in that paragraph, it is possible for a person without previous knowledge of the facts to ascertain the identity of the author by reasonable inquiry.
3. 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.
THIRD SCHEDULE
Works of Joint Authorship
1. In relation to a work of joint authorship, the references to the author in subsections (1) and (2) of section two of this Act, in subsections (2) and (3) of section three of this Act, and in paragraph 2 of the Second Schedule to this Act, shall be construed as references to any one or more of the authors.
2. In relation to a work of joint authorship, other than a work to which the next following paragraph applies, references to the author in subsection (3) of section two, in subsection (4) of section three, and in subsection (6) of section seven, of this Act, shall be construed as references to the author who died last.
3.—(1) This paragraph applies to any work of joint authorship which was first published under two or more names, of which one or more (but not all) were pseudonyms.
(2) This paragraph also applies -to any work of joint authorship which was first published under two or more names all of which were pseudonyms, if, at any time within the period of fifty years from the end of the calendar year in which the work was first published, it is possible for a person without previous knowledge of the facts to ascertain the identity of any one or more (but not all) of the authors by reasonable inquiry.
(3) In relation to a work to which this paragraph applies, references to the author in subsection (3) of section two of this Act, and in subsection (4) of section three of this Act, shall be construed as references to the author whose identity was disclosed, or, if the identity of two or more of the authors was disclosed, as 'references to that one of those authors who died last.
(4) For the purposes of this paragraph the identity of an author shall be taken to have been disclosed if either—
(b) it is possible to ascertain his identity as mentioned in sub paragraph (2) of this paragraph.