N.Y. CPL Law § 700.25

§ 700.25 Eavesdropping warrants; determination of application.\n 1. If the application conforms to section 700.20, the justice may\nrequire the applicant to furnish additional testimony or documentary\nevidence in support of the application. He may examine, under oath, any\nperson for the purpose of determining whether grounds exist for the\nissuance of the warrant pursuant to section 700.15. Any such\nexamination must be either recorded or summarized in writing.\n 2. If the justice determines on the basis of the facts submitted by\nthe applicant that grounds exist for the issuance of an eavesdropping\nwarrant pursuant to section 700.15, the justice may grant the\napplication and issue an eavesdropping warrant, in accordance with\nsection 700.30.\n 3. If the application does not conform to section 700.20, or if the\njustice is not satisfied that grounds exist for the issuance of an\neavesdropping warrant, the application must be denied.\n