Invoicing is not allowed for high-speed rail refund for more than 10 days. When the refund fee is charged at the ticket window of the station, a refund voucher will be issued, which can be used by passengers for reimbursement. Invoicing is not allowed beyond the time limit. Passengers can't refund their tickets after they start traveling. However, if you can't continue to travel due to injury or illness, you can refund the difference between the received fare and the interval fare by the passenger record issued by the train, and check the refund fee; When the passenger interval is less than the minimum mileage, it shall be calculated according to the minimum mileage; The same is true for peers. When returning a ticket marked with the word "OK", please change your luggage first. Tickets changed after driving are not refundable. Platform tickets are not refundable when sold.

Legal basis:

Measures of the People's Republic of China on the Administration of Invoices Article 4 The competent tax authorities in the State Council shall be responsible for the administration of invoices nationwide. The tax authorities of provinces, autonomous regions and municipalities directly under the Central Government shall, according to their duties, do a good job in invoice management within their respective administrative areas. Finance, auditing, market supervision and management, public security and other relevant departments shall, within the scope of their respective duties, cooperate with the tax authorities to do a good job in invoice management.