An option may be, put the aircraft on the NZ register, their regs are aligned with the FAR's, some say modernised FAR's and workable, and Kiwiland is a lot closer.
Given that CASA are hell bent on destroying GA in Australia, even their senior people are so arrogant they are openly saying that IS CASA policy...which of course takes precedence over government policy, because CASA is accountable to nobody but itself.
Corruption is always difficult to work around, the NZ system would seem to be corruption free.