What is a certificate of origin (CO)?  What information must be included in a bill of lading? Who needs a bill of lading? Can I, as a buyer, fill in the shipping instructions? Does Maersk Go offer a Switch Bill of Lading?  Will I be able to submit additional instructions?  If I want to change the details of my shipping instructions or if I notice an error, how do I amend it? How do I amend my Shipping instruction? How do I amend the Bill of Lading? What is an Importer Security Filing (ISF)?  Is bill of lading and shipping bill are same? What is the marks and numbers field in the shipping instructions?