Import of samples: rules on permitted importers, declared purpose and modes determining customs processing and admissibility. Import of samples covers specimens brought for demonstration, customer familiarization and solicitation of orders by traders, manufacturers' representatives, research institutes, laboratories, companies, associations or individuals. Commercial samples include consumer goods, durables, prototypes, engineering items and high value equipment, including agricultural machinery and accessories. Samples may arrive as personal baggage, through port channels or by courier, and the declared purpose and mode of arrival determine customs processing and admissibility.