•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. •Sign documents on behalf of clients, using powers of attorney. •Clear goods through customs and to their destinations for clients. •Calculate duty and tariff payments owed on shipments. •Stay abreast of changes in import or export laws or regulations by reading current literature, attending meetings or conferences, or conferring with colleagues. •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. •Monitor or trace the location of goods.