2. There shall be substituted for Article 4 of the Scheme the following Article:—
“4.—(1) Subject to paragraph (2), a person shall be treated as an author of a book for the purpose of this Scheme if he is either—
(a)a writer of the book, including without prejudice to the generality of that expression,
(i)a translator thereof, and
(ii)an editor or compiler thereof, who in either case has contributed more than ten per cent of the contents of the book or more than ten pages of the contents, whichever is the less; or
(b)an illustrator thereof, which for this purpose includes the author of a photograph (within the meaning of section 48 of the Copyright Act 1956).
(2) Notwithstanding paragraph (1), a person shall not be treated as an author of a book unless the fact that he is an author within the meaning of paragraph (1) is evidenced by his being named on the title page of the book.”.