Subject to certain conditions stipulated in the respective ordinances, some prohibited goods in air transhipment are exempted from import / export controls. Examples include:
dutiable commodities such as alcoholic liquor and tobacco;
radio communication transmitting apparatus;
pharmaceutical products and medicines;
optic disc mastering and replication equipment;
rice;
left hand drive vehicles;
outboard engines;
pesticides;
food materials such as colouring matter and preservatives;