Absolutely correct wheelie, few tething problems with the new PNG regs but industry soon took the pineapple and moved on.
They pretty much cut and pasted the kiwi regs with a few exceptions and implemented them. I even think they keeped the kiwi reg titles and numbering in most cases.
It worked.
Problem in Oz is the government have opted for the strict liability policy, which in my opinion is totally wrong. How does this sync with just culture - it doesn't!