Sign your team(s) up for the ladle there is going to be a vote on the date and maybe more. You will not have be involved in the vote unless you have a team signed up. See the arma forums for more info, but get yourselves signed up first.

Challenge board: http://wiki.armagetronad.org/index.php?title=Ladle/Challenge_Board#Official_Ladle_Settings_.26_Rules