Conditions for exchanges and refunds
The exchange and refund conditions for the various rates are as follows:
Pro Rate: can be exchanged and refunded free of charge up to departure (and even within the hour after departure, subject to certain conditions); after departure, Pro rate tickets can be exchanged and refunded for 60 days, subject to an administrative charge of 50% of the value of the ticket.

Please note: Abonnement Forfait Ticket holders benefit from the same conditions for exchange and refunds as well as the same services as the associated Pro rate.

Abonnement Fréquence Ticket holders benefit from the same flexibility as the Pro rates (free exchange, Last Minute Access, Minute Pro Exchange Terminals, etc.).
Loisir Rate: can be exchanged and refunded free of charge up tothe day before departure, and with an administrative charge of 10€ per person and per segment on the day of departure (or 50% of the value of the ticket when the latter is less than 20€); this charge is only 3€ for holders of the 12-25, Senior, Child+ or Escapades discount cards; after departure, Leisure rate tickets cannot be exchanged and are non-refundable.
Prem’s Tickets: cannot be exchanged and are non-refundable.
Prem's Bons Plans du Net Tickets: cannot be exchanged and are non-refundable.
For rates concerning large family cards, Annual holiday, military families, etc., exchanges and refunds are free up to the day before departure, with a 3€ service charge on the day of departure. These rates cannot be exchanged and are non-refundable after departure.