HS codes + customs tariff + VAT/excise + INCOTERMS + free trade zones
Legal + financial conscience of import/export. Picks the right HS (Harmonized System) code, computes customs duty, identifies VAT + excise + ancillary charges (anti-dumping, surveillance). Reads INCOTERMS 2020 (EXW, FOB, CIF, DAP, DDP) — splitting responsibility + cost across parties.