L AND VAT TAXES. THIS MORE THAN DOUBLES THE POSTED PRICE OF FUEL IN AUSTRIA. 5. VISA/PASSPORT - A. U.S. CITIZENS ARE REQUIRED TO HAVE A PASSPORT. B. U.S. CITIZENS ARE NOT REQUIRED TO HAVE VISA FOR A STAY UP TO 90 DAYS. C. OTHER NATIONALITIES, PLEASE CONTACT YOUR TEAM TO CHECK THE PASSPORT AND VISA REQUIREMEN