[○○ Exchange Ticket] have due date.
With this, be aware that if the player fail to use it before the due date, it will be automatically deleted.
[○○ Exchange Ticket] is:
You may acquire this ticket by performing premium scouting for the certain times. And you may use it to exchange for players that available on that scouting.
※You may check the due date in the notification about the scouting or on the scouting screen.