5(1)Copyright subsists in an existing work after commencement only if copyright subsisted in it immediately before commencement.
(2)Sub-paragraph (1) does not prevent an existing work qualifying for copyright protection after commencement—
(a)under section 155 (qualification by virtue of first publication), or
(b)by virtue of an Order under section 159 (application of Part I to countries to which it does not extend).