Customs exemption for passenger import of gold and silver permits lower duties subject to currency, quantity, timing and declaration. Exempts goods under Chapter 71 imported by an eligible passenger from customs duty in excess of amounts calculated at specified rates (gold bars and certain coins at 2%; other gold at 5%; silver at 6%), subject to payment in convertible foreign currency, per-passenger quantity limits, carriage or import within fifteen days of arrival, and conditions for delivery from designated bonded warehouses including prescribed declaration and pre-clearance payment.