Once you have obtained authorization from the organizer, you can purchase your tickets through www.renfe.com with the corresponding discount by following these steps:
- Select the desired train from the available options (Básico, Elige, Elige Confort and Premium). Note: Do not fill in the “Promotional Code” option when introducing the Origin and Destination, as the discount code will be requested once you confirm the train.
- In the “Passenger Detail” section, open “Discount and promotional codes” and select the option Congress/Events (Congresos/Ferias).
- Enter the authorization number in the box labeled "Authorization Number".