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Transshipment can be defined as the shipment of cargo (or parcel) to an intermediate destination and whilst in transit, transferred from one vessel to another before continuing to its final destination. A transshipment is a type of relet that is always created on the basis an existing cargo booking from a particular discharge port at the end of an original booking.
Preshipment is a a type of relet that is always created on the basis of an existing cargo booking and can be defined as a the shipment of cargo (or parcel) from its current position to that cargo’s load port in an existing cargo booking (and the transfer to the vessel transporting it therein).
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