Choose an agent or attorneyinfact: This person will act on your behalf in the transaction. Learn the steps in a real estate transaction and what happens with sale of property.Find a real estate lawyer. Limited POA: Grants authority for specific tasks, like selling a property or filing taxes. It ends when the specified activity is complete. You must sign, date it and your signature must be acknowledged. Fill out your form and sign it in the presence of a notary. If you are unable to attend a real estate closing and sign the necessary documents you can have your attorney prepare a power of attorney for you. Select Power of Attorney under the Services menu. Select File a power of attorney from the drop-down menu.