Any work in which immediately before commencement copyright subsisted by virtue of section 33 of the 1956 Act shall be deemed to satisfy the requirements of section 168(1); but otherwise section 168 does not apply to works made or, as the case may be, published before commencement.

Copyright in any such work which is unpublished continues to subsist until the date on which it would have expired in accordance with the 1956 Act, or the end of the period of 50 years from the end of the calendar year in which the new copyright provisions come into force, whichever is the earlier.