We will be hiring a car in Spain soon. We have the old pink paper UK driving licences and have been advised that some car hire companies would require us to have an international driving permit (IDP) as well to hire a car. However there are three versions of the international driving permit (IDP): 1926, 1949 and 1968. As general government advice is that an IDP is not required for Spain we're finding it impossible to get a definitive answer to which one is recognised there. Just wondering if anyone has needed to use an IDP in Spain and which one you used