(1) The inclusion of a short passage from a published literary or dramatic work in a collection which-
(a) is intended for use in educational establishments and is so described in its title, and in any advertisements issued by or on behalf of the publisher; and
(b) consists mainly of material in which no copyright subsists,
does not infringe the copyright in the work if the work itself is not intended for use in such establishments and the inclusion is accompanied by a sufficient acknowledgement.
(2) Subsection (1) does not authorize the inclusion of more than 2 excerpts from copyright works by the same author in collections published by the same publisher over any period of 5 years.
(3) In relation to any given passage the reference in subsection (2) to excerpts from works by the same author-
(a) is taken to include excerpts from works by him in collaboration with another; and
(b) if the passage in question is from such a work, is taken to include excerpts from works by any of the authors, whether alone or in collaboration with another.
(4) References in this section to the use of a work in an educational establishment are to any use for the educational purposes of such an establishment.