Typical Structure of Customs Administration HeadquartersNotes: Internal Audit. Review financial, administrative, and operational systems, and monitor compliance with management policies.Public Relations. Develop internal and external communications policies and procedures.Information Technology. Manage computer operations, maintain hardware and software, and develop application software.Corporate Services. Develop policies and procedures for human resource services (including training), administration, finance, and corporate planning.Technical Interpretations. Develop policies and procedures related to valuation, tariff classification, exemptions, and origin determination, including contacts with the World Customs and World Trade Organizations and other customs administrations.Customs Procedures. Develop policies and procedures related to import and export declaration processing, cargo reporting, transit, temporary admission, warehousing, and others procedures related to the processing of goods and passengers.Legal Services. Draft legislation, provide legal interpretations, adjudicate appeals, and advise on policies and procedures related to penalties and prosecutions.Field Operations. Manage all regional and local offices, including monitoring operations against preestablished performance criteria.Enforcement. Develop policies and procedures for investigations and intelligence gathering and analysis.