When is a user considered to make improper use of the service?

a) Failing to validate the ticket before travel or before accessing restricted areas.
b) Not having a ticket or not showing it when asked.
c) Travelling with an expired ticket, i.e. using it outside of the period of validity established in the standard terms of carriage or for special rates.
d) Travelling with a concession ticket but unable to prove, by showing the pertinent card, their right to it.
e) Travelling with a non-transferable ticket that is not theirs.
f) Using the ticket outside the corresponding fare zone.
g) Travelling with a travel card that is not valid due to their characteristics or the specific characteristics of the journey.

The full text of the terms of use can be consulted at the following link:

Terms of use