Acts Interpretation Act 1901

48A REGULATIONS NOT TO BE RE-MADE WHILE REQUIRED TO BE TABLED  
48A(1)
Where a regulation (in this section called the ``original regulation'' ) has been made, no regulation the same in substance as the original regulation shall be made during the period defined by subsection (2) unless both Houses of the Parliament by resolution approve the making of a regulation the same in substance as the original regulation.

48A(2)
The period referred to in subsection (1) is the period starting on the day on which the original regulation was made and ending at the end of 7 days after:

(a) if the original regulation has been laid, in accordance with paragraph 48(1)(c) , before both Houses of the Parliament on the same day - that day;

(b) if the original regulation has been so laid before both Houses on different days - the later of those days; or

(c) if the original regulation has not been so laid before both Houses - the last day on which paragraph 48(1)(c) could have been complied with.

48A(3)
A regulation made in contravention of this section has no effect.