Incidental inclusion of copyright material.
52.—(1) The copyright in a work is not infringed by its inclusion in an incidental manner in another work.
(2) The copyright in a work is not infringed by the making available to the public of copies of anything the making of which was not, by virtue of subsection (1), an infringement of the copyright.
(3) A work shall not be regarded as included in an incidental manner in another work where it is included in a manner where the interests of the owner of the copyright are unreasonably prejudiced.
(4) The copyright in a work which has been lawfully made available to the public is not infringed by the use of quotations or extracts from the work, where such use does not prejudice the interests of the owner of the copyright in that work and such use is accompanied by a sufficient acknowledgement.