Importer Security Filing 113 – Do I need a Bill of Lading number when filling out an ISF?

Yes, the Importer or their agent is responsible for obtaining the required information and submitting it to U.S. Customs and Border Protection (CBP) as part of the Importer Security Filing (ISF). The ISF must be filed at the lowest bill of lading level (e.g., house bill or regular bill) that is transmitted into the Automated Commercial Environment (ACE) system. The bill of lading number serves as the link between the ISF and the customs manifest data. 

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