On the airplane to Australia, you will be given an Incoming Passenger Card by the Flight Attendants. The Passenger Card is a declaration that explains what you are bringing into Australia. Answer all the questions truthfully. The penalties for false declarations are very heavy and the goods may be confiscated as well.ustralian Customs are very strict about food of any description being brought into Australia. All food must be declared to Customs on arrival in Australia or dumped in the rubbish bins in the Arrival Hall.