N.Y. Mental Hyg. Law § 83.37
If a guardian of the property has been appointed in another state and a petition for a protective order is not pending in this state, the guardian of the property appointed in the other state, after giving notice to the appointing court of an intent to register, may register the protective order in this state by filing as a foreign judgment in a court of this state, in any county in which property belonging to the protected person is located, certified copies of the order and letters of office and of any bond. Thereafter, said guardian of the property shall comply with the requirements of subparagraph (vi) of paragraph six of subdivision (a) of section 81.20 of this title with regard to any real property of the protected person in this state.
N.Y. Mental Hyg. Law § 83.37