28. Further provisions relating to conditions on public display of
 restricted publications---(1) Any one or more of the conditions
 specified in subsection (4) or, as the case may require, subsection (5)
 of section 27 of this Act may be imposed in respect of a publication,
 and, without limiting the generality of the foregoing, any 2 or more
 conditions may be expressed as alternatives.

   (2) Subject to subsections (2) and (3) of section 27 of this Act, in
 determining whether to impose, or in imposing, in respect of a
 publication other than a book or a newspaper, the condition specified in
 section 27 (4) (a) of this Act, the Classification Office shall have
 regard to the nature of the publication.

   (3) Nothing in section 27 (5) of this Act limits or affects the powers
 of the Classification Office to examine or approve film posters under
 any regulations made under this Act.

   (4) For the purposes of this Act, a condition imposed pursuant to
 subsection (4) (e) or subsection (5) (c) of section 27 of this Act
 prohibiting the public display of any thing in any place shall, in so
 far as the condition relates to the public display of that thing in any
 premises, prohibit the public display of that thing not only in those
 premises but also---
   (a) On the exterior of those premises:
   (b) In the immediate vicinity of those premises.