Sections 3 and 4 of the Principal Act are repealed and the following section is substituted:
3 Interpretation
"(1) In this Act a reference to the Authority is a reference to the Pipeline Authority as it was established by this Act before the repeal day.
"(2) In this section:
"repeal day" has the same meaning as in Part 8 of the Moomba - Sydney Pipeline System Sale Act 1994 .".