Unless otherwise provided in an operating agreement, any action may be taken by the members or managers, as the case may be, by a consent in writing, stating the action so taken and signed by that percentage or number of the members or managers, as the case may be, required by an operating agreement or this chapter to take or approve the action.

Caution:  The above language was taken from Arizona’s statutes on September 13, 2013.  Check the Arizona legislature’s website to determine if this statute changed after September 13, 2013.