How much does it cost to reserve a seat on long-distance services?

Individual reservations
EUR 5.50 in second class
EUR 6.90 for reservation in first class if the ticket is not purchased at the same time
Seat reservation is included with the purchase of a flexible fare first class ticket.
 

Group reservation
Included in the price of a group ticket (group saver fare)
Reservations for young children are optional and can be booked additionally