That's a good point, biosecurity measures could be implemented anywhere as they occur, but I was more referring to GC's specific case. After at least two months at sea I doubt there would be anything left unchecked.
DAFF also make a distinction on how biosecurity is assessed for "First Point of Entry (FPOE) vs non-FPOE' for vessels:
https://www.agriculture.gov.au/bios...y-and-non-first-point-entry/seaport-locations
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So while it's always possible that further biosecurity issues arise at PK, it would be rather unlikely.
Especially considering by the time GC gets to PK, Sydney could be underwater from climate change and the world generally be extinct (including stink bugs).
Let's hope it gets here before then.