Quote I received:"Right now the rules state that the current BESR bats can be used through the 2011 season. As of January 1st, 2012, the new BBCOR bats will have to be used."
A link from a MI site but they are going the same way and it has some more info for anyone interested.
http://westmichiganhighschoolb...g-on-january-1-2012/