Goods may not enter the Union unless the carrier provides or makes available advance cargo information to the expected office of first entry within the set time limits (or at the latest on arrival at the actual office), including at least the importer's identity, unique consignment reference, consignor, consignee, description, tariff classification, value, final destination if known, route, means of transport and transport cost; importers may provide part of it, and carriers link their data to the importer's.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.