HS codes are the universal identifier for traded goods. This chapter introduces the HS code system structure, classification methods, advance ruling procedures, tariff calculation methods, and RCEP preferential tariff utilization strategies.Articles in this ChapterHS Code System IntroductionHow to Determine HS CodesCustoms Advance Ruling GuideTariff Calculation MethodsRCEP Tariff Preference Guide Book traversal links for Customs Declaration & Clearance Complete Guide ‹ How to handle the application procedures for tax refund on import and export goods? Up Introduction to the HS Code System: Code Structure, Chapter Classification, and General Rules of Interpretation ›