General train tickets bought can still go to the replacement, but can only be replaced once.
Travelers train ticket refund railroad department to adjust the train ticket refund and change for, since April 03, 2008 5:00, the railroad department will adjust the train ticket refund and change the approach to realize the train ticket nationwide through the refund and change of train ticket new rules: tickets can only be re-signed once, in addition, each ticket has only one re-signing opportunity.
Travelers should be refunded at the station before the start, special circumstances by the station where the ticket is purchased or ticket by the station manager agreed, can be handled within 2 hours after the start, the new rules also explains the calculation of the refund fee is no longer rounded up to the yuan as a unit, but in 50 cents as a unit.
"Interim Measures for Railway Internet Ticketing" Article 28 states:
Travelers who have not yet exchanged paper tickets after purchasing tickets on the 12306.cn website can change their railroad e-tickets, change the station of arrival, and refund their tickets on the 12306.cn website; those who have already exchanged paper tickets can only be processed at the station. In the 12306.cn website for, change, refund should be no later than 25 minutes before the drive, change to the station no later than 48 hours before the drive.
Article 29: Passengers who apply for change of visa, change of destination or refund of railroad electronic ticket at the station shall go to the ticket window of the station and apply for it according to the relevant provisions of Article 16.
One, has been exchanged for paper tickets, paper tickets in accordance with the current provisions of the change, change of station, refund.
Second, in the resident identity card checking conditions at the station, holding a resident identity card has been checked into the station but did not take the train, confirmed by the station to change, refund according to the provisions of the ticket.
Third, the station and the next station are equipped with the conditions of the resident identity card ticket, holding a resident identity card ticket, due to injury, illness or the carrier's responsibility to disembark, with the conductor of the passenger record issued by the next station in accordance with the provisions of the ticket refund.
Reference: Baidu Encyclopedia - Train Ticket Change