Before 1 July 1997, Part XIB of the Trade Practices Act 1974 has effect as if:
(a) a reference in that Part to a carrier were a reference to a carrier (within the meaning of the Telecommunications Act 1991 ); and
(b) a reference in section 87 of the Telecommunications Act 1997 to a carrier were a reference to a carrier (within the meaning of the Telecommunications Act 1991 ).