N.Y. Comp. Codes R. & Regs. tit. 22, § 207.6
(a) An application under SCPA 501 for the consent of the court to the transfer to the Surrogate's Court of an action pending in the Supreme Court, or for the transfer by the Surrogate's Court to itself of any action pending in any other court, or for the consolidation of such action with a proceeding pending in the Surrogate's Court, shall show whether there is pending a proceeding in the Surrogate's Court and the nature of the proceeding, and shall be supported by an affidavit which shall state: