Mass. Gen. Laws ch. 223, § 73: Carrier or warehouseman; property in possession

Section 73. Except as provided in the preceding section, property in the possession of a carrier or warehouseman may be attached by trustee process or otherwise; but if the bill of lading or receipt, though non-negotiable, has been transferred, and the carrier or warehouseman notified of the transfer, the title of the transferee shall not be defeated by an attachment in a suit against a prior owner of the goods.