3. Amendment of section 7 of the principal enactment

Section 7 of the principal enactment is hereby amended in subsection (2) of that section by the repeal of paragraph (j)

of th'at subsection and the substitution of the following paragraphs therefor :-

"(j) illustrations, maps, plans, sketches and three dimensional works relative to geography, topography, architecture or science ;

computer programmes".