What happens if a LOA is not provided for the first Maersk Spot shipment before the first shipment is gated in? What information must be included in a bill of lading? What is OBL number? What is a Bill of Lading? What is a Letter Of Authority? What is a Seaway Bill? What is a certificate of origin (CO)?  What is an Importer Security Filing (ISF)?  What is the deadline for submitting my shipping instructions? What is the mandatory information required in shipping instructions? What is the marks and numbers field in the shipping instructions? What is the role of the shipper and the consignee in a bill of lading?