Having this document signed protects the carrier and the shipper because it contains detailed information about the quantity, type, and. 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 is a legally binding document issued by a carrier to a shipper that details the type, quantity, and destination of the goods being carried. It serves as a shipment receipt when the carrier delivers the goods at the predetermined destination. This document also serves as a receipt of shipment for the delivered goods to a specified destination.