As you can see, the point of sacrificing to super is to
a) reduce taxable income
b) to increase your superannuation balance.
The new changes will allow your sacrificed income to achieve what is actually intended to be achieved.
Employers will be required to update their systems to comply with this new law from January 1.
NB: In our experience, most employers have complied with the spirit of the law as opposed to the letter of the law, so you may find your employer has already been using the new rules.