If you leave something on an SRT train, note the travel date, train number, origin and destination, carriage and seat, and a description of the item. Tell station staff immediately after getting off or the onboard crew if you notice while travelling. Later, contact SR on 1800-1472 or its lost-property offices and search the police lost-property portal. The official office numbers are Suseo 02-6177-8245, Dongtan 031-328-9505 and PyeongtaekJije 031-646-8805. Bring identification to collect an item. A representative needs an authorization letter, a copy of the owner's ID and their own ID. Unclaimed items may be passed to the police, so contact the operator promptly. SR states that found belongings are generally held for seven days at its lost-property office before transfer to the police, though some items may be transferred earlier.