The use of it will be forced to mandatory, as you have enough time to test it.
In this cup UAC3 Anti Cheat must be used. Each player is responsible for making sure they are running it during the match and have to make sure they input the correct war ID before starting any match.
If a player logged out from UAC3 during a match, that clan will recive a forfeit loss.
If a player crash during a match and there for was logged out from UAC3 the score will remain, if he or a new player rejoin within 5min and have UAC3 enabled. Otherwise they will forfeit the match.