[Expiration date] “Unreserved seat” about 1 month to 2 months “Reserved seat” about 1 month to 2 months *Cannot be used from December 28 to January 6, April 27 to May 6, and August 10 to 19. You can use it on the Shinano Limited Express. Please make a reservation at the JR counter or ticket vending machine. One ticket is enough for one-way use. You can use it either up or down. You can also use JR conventional railway line Nagoya city.