Check your destination state’s registration requirements before agreeing to an interstate purchase; processes and certificate acceptance vary. Arrange an inspection where the car is located, verify seller authority and the physical VIN, and agree transport responsibility and costs in writing. Do not assume completing a transfer or obtaining a certificate in one state satisfies another state’s requirements.
For Queensland, check the official safety-certificate rules and use the inspection checklist for separate observations.
Official source
Queensland: safety certificates and registration circumstances