• Classify goods according to tariff coding system.• Prepare and process import and export documentation according to customs regulations, laws, or procedures.• Pay, or arrange for payment of, taxes and duties on shipments.• Clear goods through customs and to their destinations for clients.• Calculate duty and tariff payments owed on shipments.• Request or compile necessary import documentation, such as customs invoices, certificates of origin, and cargo-control documents.• Advise customers on import and export restrictions, tariff systems, insurance requirements, quotas, or other customs-related matters.• Inform importers and exporters of steps to reduce duties and taxes.• Apply for tariff concessions or for duty drawbacks and other refunds.• Provide advice on transportation options, types of carriers, or shipping routes.• Prepare papers for shippers to appeal duty charges.