A bill of lading (BOL or B/L) is a document that serves as contract for the movement of goods. It is issued to the shipper and serves as a receipt for the cargo and can act as proof of ownership of the goods being transported.
original bill of lading:
When an original bill of lading is issued, two other identical original bills of lading are also printed, and all three original bills of lading are issued together as one contract of carriage.
express bill of lading:
Bill of lading (B/L) in which the carrier is obligated to deliver the goods to the named consignee and no are issued