Chennai Customs Zone (also known as Chennai Customs, चेन्नई सीमा शुल्क) is a government agency responsible for administering customs regulations, border controls, and revenue collection on goods crossing national borders. It provides customs clearance for passengers, baggage, postal and courier shipments, and air cargo, and manages commissionerates for airport, import, export, audit, appeals, preventive, and general matters, as well as investigation, prosecution, warehousing, and disposal of goods. The agency serves businesses and logistics providers involved in international trade and freight movement.