New York Consolidated Laws, Civil Practice Law and Rules - CVP  Rule 328. Assistance to tribunals and litigants outside the state

(a) Pursuant to court order.  Upon application by any interested person or in response to letters rogatory issued by a tribunal outside the state, the supreme court or a county court of the state may order service upon any person who is domiciled or can be found within the state of any document issued in connection with a proceeding in a tribunal outside the state.  The order shall direct the manner of service.

(b) Without court order.  Service in connection with a proceeding in a tribunal outside the state may be made within the state without an order of court.

(c) Effect.  Service under this rule does not, of itself, require the recognition or enforcement of an order, judgment or decree rendered outside the state.