It looks like CASA has already started trialling the MPL syllabus.
This is from their website.
A proof of concept trial has started in Brisbane with 6 students studying for the MPL. CASA is closely monitoring the course and will be using the information gathered during the trial to contribute to a global information sharing arrangement sponsored by ICAO. The intention is for training providers, airlines and civil aviation regulators to share information on the experiences gained in implementing the MPL as part of a continuous improvement strategy.