As I recall a special power of attorney.

If you are acting on behalf of a person in a special proxy form and more than anyone else, these powers to specific permission to organize you need the desired these powers take away. The process is referred to the withdrawal. To revoke a power of Attorney, a new document written and signed by you that clearly indicates, that you wish your agent acting on your behalf.Difficulty must be: ModerateInstructions1Title your document "Blocking of special proxy." This write at the center of the page and use as text; "" Use bold type in document unmistakable. 2Write "awarded authority on [date], I [your name] [name of the agent your] in a document titled special proxy (or title)." I hereby revoke powers [name]. "3List an effective date of withdrawal." "" Write "[cancellation date], [name]"is no longer my agent and has no authority to act on my behalf.""4Take document to a notary and signs in the presence of the notary. The document to legalize. Restore the document to your agent and know copies of the document delivered to the people dealt with your agent. Announcement of the publication in a newspaper in your area to check. to do this if your agent has done considerable work for you, and you are not sure that the number has worked the agent with.