N.Y. Comp. Codes R. & Regs. tit. 22, § 207.18
(a) In any accounting proceeding where representation is to be utilized pursuant to subdivision 5 of SCPA 315, an affidavit of the petitioner or petitioner's attorney, and of the representor, must be submitted setting forth the following information:
(1) In the affidavit of the petitioner or petitioner's attorney:
(2) In the affidavit of the representor: