After a previous registration on the Renfe page and apps, tomorrow the 24th, you can buy free Renfe tickets for Cercanías and Media Distancia trains and half-price tickets on Avant trains. The validity period to travel with them will be from September 1 to December 31.
When acquiring them you will have to deposit a deposit that will vary from 10 to 20 euros depending on whether you travel nearby or medium distance. At the end of the four months this deposit can be recovered in the event that it exceeds 16 trips to the same card with which it was acquired.
free passesIt is recommended to validate all trips made by Renfe.