(a) Attachment and Levy. - Except when a negotiable bill of lading was issued originally on delivery of goods by a person that did not have the power to dispose of the goods, goods in the possession of a common carrier for which a negotiable bill has been issued may be attached through judicial process or levied on in execution of a judgment only if the bill is surrendered to the carrier or its negotiation is enjoined. (b) Delivery. - A common carrier may be compelled by judicial process to deliver goods under subsection (a) of this section only when the bill is surrendered to the carrier or impounded by the court.