What is FRI and the Message function?

What is FRI and the Message function?

Freight Report Inbound

Message function – To report consignment and scheduled arrival information for air waybills

Message Originator: The incoming air carrier (Air Waybill: non-consolidated or consolidation shipment and arriving flight information, all consolidated (house) shipment information to CBP pursuant to the Trade Act of 2002, unless provided by an eligible other filer: De-consolidator/Container Freight Station operator, Express consignment facility operator/carrier or participating courier, or CBP entry filer (broker or Importer) as reference by CBP regulations 122.48a