A blank bill of lading or “bol” is an official document issued by a carrier to you (as the shipper) as a contract of carriage of goods. Abbreviations for package types, handling units. A bill of lading is a legally binding document issued by a carrier to a shipper that details the type, quantity, and destination of the goods being carried. The surrender of the original straight bill of lading, properly endorsed, is required by transportation lines upon delivery of the freight, in accordance with the terms of the bill of lading. A bill of lading (bol) is a legal agreement serving as a contract between the shipper and the carrier.