RAAus Tech manual says:
7.1.5 REPAIRS TO FACTORY BUILT AIRCRAFT - NON LSA (excluding Group G Lightweight aeroplanes)
CAO 95.32 & CAO 95.55
Repairs to privately operated aircraft, excluding Group G Lightweight aeroplanes may be conducted by the holder
of a Level One Maintenance Authority (or higher), using firstly, the manufacturer or designer’s repair procedures,
or secondarily, in accordance with repair methods and techniques detailed in FAA AC43.13-1B.
Repairs to aircraft used for hire and/or flying training must be undertaken by a person holding an RAAus Level Two
or higher Maintenance Authority, using firstly, the aircraft manufacturer or designer’s repair procedures, or
secondarily, in accordance with repair methods and techniques detailed in FAA AC43.13-1B.
So as its not for flight training hire or reward, only for private use ie me I can do the repairs using and apprived method, apprently it exists but the person who wrote the instruction did not post it online and has since decesed, im going with FAA AC43.13-1B "plywood lap patch repair method using expoxy bonding"