Believe it or not, we actually got into France with just driving licences - his the photo one, mine the old paper type - and NO passports! We left our passports at home (don't ask - it's a sore point) and had got as far as the check-in booth before we realised. We hadn't been stopped at Passport Control on the way in. We asked Norfolkline if we could leave the caravan at the docks so we could drive back the 280 miles to pick them up. The check-in guy referred us to the office, and they just checked our driving licences and said that we could board anyway - provided we accepted the risk that the French might send us home. They didn't - and our son posted the passports to us care of a friend with a home in France. This was just a couple of weeks ago but we still can't believe it!