If the U.K. leaves the European Union (EU) without a deal on Oct. 31, Britons who rent a car in the EU or European Economic Area may need to obtain an International Driving Permit in order to drive.
Japanese Rental Agencies Worry About Fake Licenses from Chinese Tourists
Since China did not sign the 1949 Geneva Convention on Road Traffic, which established international standards for road signs and rules, Chinese citizens who visit Japan, and other Geneva Convention-ratified countries, need an international driving permit.