You submit Importer Security Filing (ISF) details on a form called the 10+2. 

The details to give include:

  1. Master Bill of Lading (MBL) number 
  2. House Bill of Lading (HDL) number
  3. Automated Manifest System (AMS) number
  4. Shipper/seller information
  5. Manufacturer information
  6. Client/Importer of Record
  7. Container Stuffing Location
  8. Consolidator
  9. Product & Harmonized Tariff Schedule (HTS) Code
  10. Client/Importer’s EIN/Tax ID number

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