51.—(1) Fair dealing with a work for the purposes of criticism or review of that or another work or of a performance of a work shall not infringe any copyright in the work where the criticism or review is accompanied by a sufficient acknowledgement.

F35[(2) It is not an infringement of the rights conferred by this Part if a copy of a work (other than a photograph) on current economic, political or religious matters or similar matters is made by a media business (within the meaning of section 28A(1) of the Competition Act 2002) and communicated by the media business to the public if—

(a) such use is not expressly reserved, and

(b) the copy and communication are accompanied by a sufficient acknowledgement.

(2A) Where a copy which would otherwise be an infringing copy is made under subsection (2) but is subsequently sold, rented or lent, or offered or exposed for sale, rental or loan, or otherwise made available to the public, it shall be treated as an infringing copy for those purposes and for all subsequent purposes.]

(3) In F35[this Act], “sufficient acknowledgement” means an acknowledgement identifying the work concerned by its title or other description and identifying the author unless—

(a) in the case of a work which has been lawfully made available to the public, it was so made available anonymously, or

(b) in the case of a work which has not been made available to the public, it is not possible for a person without previous knowledge of the facts to ascertain the identity of the author of the work by reasonable enquiry.