Shenzhen Port Authority and Customs are two different institutions with different responsibilities and authorities. Shenzhen Port Authority is the functional department in charge of port management of Shenzhen Municipal Government. Its main responsibilities include coordination, supervision, planning, public order maintenance and customs clearance related to Shenzhen Port. Customs is the institution responsible for import and export supervision in China, and its main responsibilities include inspection, taxation and supervision of import and export goods, means of transport and luggage.