The Korea Customs Service (KCS) is a government agency in South Korea responsible for regulating and facilitating international trade. Its main functions include collecting customs duties, preventing smuggling, and ensuring compliance with trade laws. The KCS plays a vital role in protecting the economy and maintaining security at the nation's borders. In addition to customs enforcement, the KCS also promotes trade by simplifying customs procedures and providing support to businesses. The agency works to enhance the efficiency of customs operations, making it easier for companies to import and export goods while adhering to regulations.