It consists of the Procedures for export and import of goods by a customs agent. Transacts the DUA (single administrative document) for the customs of the port of origin of its approval to the export of the goods subject to the same. Custom channels:
-Green channel: The Custom agreed to the export of the goods.
-Channel Orange: the Customs request documentary inspection of goods for verification.
-Channel Red: occurs when custom required see the merchandise and inspect.