Nothing contained in this Act shall limit or in any way affect the powers,
authorities, duties and functions conferred and imposed on the Industrial
Relations Commission by or under the Industrial Relations Act 1996 in respect
of long service leave-
Provided that in the exercise and performance of such powers, authorities,
duties and functions, the Commission shall not in any award whether made
before or after the commencement of this Act insert any provisions relating to
long service leave unless those provisions are more favourable to workers than
the provisions of section 4 or are applicable to persons who are not workers
entitled to the long service leave provided by section 4.