From the CASA website under CAR 31 AME link...
However, if you are currently using CASA Basics and SOE for what would have been a small aircraft licence under the CAR 31 licence system, you can continue to use the CASA Basics and SOE pathway until June 2019 to qualify for a small aircraft licence outcome.
That is all I needed to see
...son has his SOEs he completed his practical side of apprenticeship, just needs to pass his basic subjects to complete. He only wants to work GA and eventually specialise in restoration work.