Definition
An Importer Security Filing, often called ISF-10 or the "10+2", is a U.S. Customs and Border Protection requirement for ocean import shipments. The importer (or their agent) must electronically submit ten data elements about the shipment to CBP before the cargo is laden on a vessel destined for the United States.
Why it matters
ISF must be filed no later than 24 hours before the cargo is loaded onto the vessel at the foreign port. The ten fields are copied from the booking confirmation, commercial invoice, and packing list, which is why the filing step is slow and error-prone when those documents are read and re-typed by hand for every shipment.
TIO reads the pre-alert and pre-fills all ten ISF fields with a confidence score and source text per field, then queues the filing for your licensed filer to review and submit.
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