N.Y. Domestic Relations Law § 77-f: Simultaneous proceedings

§ 77-f. Simultaneous proceedings. If a proceeding for enforcement

under this title is commenced in a court of this state and the court

determines that a proceeding to modify the determination is pending in a

court of another state having jurisdiction to modify the determination

under title two of this article, the enforcing court shall immediately

communicate with the modifying court. The proceeding for enforcement

continues unless the enforcing court, after consultation with the

modifying court, stays or dismisses the proceeding.