This section should allow presenters will not know until the day before the change, even if there is an immediate transaction also need to let the host or other staff know
This part should be previously made to let the host know that it is not the day of the event change, even if there is a change, the host or other staff should know immediately
This part should be made known to the host before that it is not changed on the day of the event. Even if there is any change, it should be made known to the host or other staff immediately<br>