In an increasingly globalized world with segmented economies, shipping agents find themselves dealing with more trading companies and their foreign-to-foreign transactions than the old-fashioned factory-to-importer shipments. The success of such contracts typically hinges on the ability of trading agents to conceal the factory’s contact from the end buyer through the issuance of a switch Bill of Lading. What is a switch Bill of Lading? A switch Bill of Lading refers to a second set of Bill of Lading issued by the carrier (or its agent) to substitute the original bills of lading issued at the time of shipment.