Q.I have been required personal authentication service (3D Secure) to resgister. What do I need to do?
To support our members’ secure online card payment, Tokaido Sanyo Kyushu Shinkansen Internet Reservation Service implements a personal authentication service (3D Secure) recommended by international credit card brands. 
If your credit card is not registered for nor available for 3D Secure, you might not be able to register (including re-register) for Tokaido Sanyo Kyushu Shinkansen Internet Reservation Service.
Please see here for more details.
If your credit card is not registered for nor available for 3D Secure, you might not be able to register (including re-register) for Tokaido Sanyo Kyushu Shinkansen Internet Reservation Service.
Please see here for more details.