Who Can Expel the Episcopal Church from the Anglican Communion?

http://episcopalmajority.blogspot.com/2007/09/who-has-power.html

[The Episcopal Majority] 4 Sep 2007--Much has been written and said by some people regarding the desire to expel the Episcopal Church from the Anglican Communion. Your humble editor never paused to ask exactly who has the power to do so – aside from the obvious and oft-noted fact that being in communion with the Archbishop of Canterbury is the signal that a church is Anglican.