If you are seeking trade recognition as a Refrigeration and Air Conditioning Mechanic
you must provide evidence that you have successfully complete a recognised course,
module or unit of competency on the safe handling of refrigerants in Australia.
That means that you must have completed
either of the following (or equivalent):
Recognised Training Course: CFC/HCFC Accreditation course required for
State/Territory CFC/HCFC User Authorisation, prior to 1st July 2005
National module: NR03 Refrigerants
Unit of Competence: MEM18.86A Test, Evacuate and Charge Refrigerants.
Unit of Competence: UEENEE008A Recover, Pressure and Leak Test, Evacuate
and Charge Refrigeration Systems
http://apprenticeship.det.nsw.edu.au...9_appinfo3.pdf