This document defines various legal terms related to customs procedures and international freight transport. It describes situations such as voluntary abandonment of goods, different types of customs offices, roles of customs agents and international freight companies, procedures for storage, seizure and shipment authorization, as well as definitions for terms like containers, customs control, transport documents, mailings, urgent shipments, baggage, export, legalization and more. The document provides definitions for over 20 specialized legal and logistics terms.