Select Power of Attorney under the Services menu. Select File a power of attorney from the drop-down menu.A power of attorney is an estate planning document that affects a person's affairs while he (or she) is still living. A power of attorney is crucial to avoid expensive and time-consuming guardianship proceedings. Contact a Queens power of attorney lawyer today. Discover how to complete a power of attorney form NYC to safeguard your legal and financial interests. Submit the NYSLRS Power of Attorney Form for Faster Service. The NYSLRS special durable power of attorney form meets all of New York State's legal requirements. A power of attorney is the legal authorization for one person, the agent, to act on behalf of another person, the principal. Fill out your form and sign it in the presence of a notary.