Posted on June 18, 2010.
How can you cancel enduring power of attorney in the State of Missouri? My grandmother gave power of attorney to someone and they use them to cash bonds and other things without permission. She asked how to remove the person's authority.
She just needs to sign a statement revoking the proxy and / or appoint a new person with power and make you a notarized copy is given to the person with the old power. Of course, since he still has the old papers, you should contact any financial institution where the information is held to let them know of this change.
She'll probably need a court order to surrender and to dismiss.
Talk to a local atty or the Clerk of the Court.
It may revoke the proxy (if it is competent to do so) with a simple form signed before a notary or a lawyer.
It should then have the revocation served upon the person holding the POA and the copies must be sent to all locations where it holds investments, $, etc.
The key revocation is NOTICE. You must tell the person who holds it, and tell anyone that may be presented to the Dominion. Giving notice of a way you can prove they have obtained, it is recommended (by registered mail).