How to enable rallies:
You must belong to a Fashion House first.
Click on “Runaway Rally” at the top.
Scroll down and you will see “Rally Participation” with a toggle switch.
Toggle this on if you want to participate, toggle off if you do not.
Head of House or Officers have to start the rally but you have to enable it before one starts.
If you enable it after the rally has started; you will not be included until the next rally.