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. Authorize someone to make decisions on your behalf.This indispensable form contains everything you need to make a valid power of attorney for real estate in the Empire State. A Power of Attorney (POA) allows one person to appoint another person to act on their behalf. Create your free general or durable POA today. Creating a Power of Attorney for real estate transactions within New York City is a multistep process to ensure legality and transparency. Select Power of Attorney under the Services menu. Select File a power of attorney from the drop-down menu. Representing North Carolina property owners with eminent domain and land condemnation issues. In a power of attorney situation, you must obtain a copy of the power of attorney document and keep it in your file.