Use the Maryland Power of Attorney Form to give another person the authority to manage your property while you are still alive. A power of attorney is a document that gives someone legal authority to act for another person.This power of attorney authorizes another person (your agent) to make decisions concerning your property for you (the principal). Completing and Executing the Form. Completing a Power of Attorney form in Maryland requires attention to detail to ensure legality and validity. This Power of Attorney authorizes another person (your agent) to make decisions concerning your property for you (the principal). Power of Attorney documents can be used in specific situations, such as real estate transactions. What are the requirements to get a POA in Maryland? On October 1, 2023, a new Maryland law governing statutory powers of attorney (POA) went into effect. This law makes significant changes to the previous law.