United States Customs and Border Protection (CBP) has announced a new rule, known as the Importer Security Filing (ISF) or more commonly called 10+2; which requires containerized cargo information, for security purposes, to be transmitted to the agency at least 24 hours (19 CFR section 149.2(b) before goods are loaded onto an ocean vessel headed to the U.S. (i.e. mother vessel, not feeder vessel) for shipment into the U.S. 10+2 is pursuant to section 203 of the SAFE Port Act, and requires importers to provide 10 data elements to CBP, as well as 2 more data documents (Container Status Messages and the vessel's Stow Plan)from the carrier.