👉 Customs math is a specialized branch of mathematics that deals with the precise calculation of duties, taxes, and fees imposed on imported or exported goods. It involves understanding complex rules and regulations set by customs authorities to accurately determine the value, classification, and applicable rates of goods crossing borders. This includes applying tariff rates based on the Harmonized System (HS) codes, calculating duties and taxes according to specific legislation, and ensuring compliance with all legal requirements. Customs math requires a deep knowledge of international trade laws, economic policies, and the ability to interpret and apply them accurately to avoid penalties or delays in the import/export process.