The instrument repeals Migration Regulations 1994 –Qualifications – IMMI 13/013 (F2013L00528) in accordance with subsection 33(3) of the Acts Interpretation Act 1901.
That subsection provides that a power to make a legislative instrument includes a power to amend or repeal that instrument in the same manner, and subject to the same conditions, as the power to make the instrument.
Source: LIN23023.pdf and LIN23023-Explanatory-Statement.pdf