N.Y. CPL Law § 705.00

§ 705.00 Definitions.\n As used in this article, the following terms have the following\nmeanings:\n 1. "Pen register" means a device which records or decodes electronic\nor other impulses which identify the numbers dialed or otherwise\ntransmitted on the telephone line to which such device is attached, but\nsuch term does not include any device used by a provider or customer of\na wire or electronic communication service for billing, or recording as\nan incident to billing, for communications services provided by such\nprovider or any device used by a provider or customer of a wire\ncommunication service for cost accounting or other like purposes in the\nordinary course of its business.\n 2. "Trap and trace device" means a device which captures the incoming\nelectronic or other impulses which identify the originating number of an\ninstrument or device from which a wire or electronic communication was\ntransmitted.\n 3. "Applicant" means a district attorney, an assistant district\nattorney, and when empowered by law to conduct an investigation of or to\nprosecute or participate in the prosecution of a designated crime, the\nattorney general, an assistant attorney general, the deputy attorney\ngeneral in charge of the statewide organized crime task force, or an\nassistant deputy attorney general of such task force.\n 4. "Law enforcement agency" means any agency which is empowered by law\nto conduct an investigation or to make an arrest for a felony, and any\nagency which is authorized by law to prosecute or participate in the\nprosecution of a felony.\n 5. "Designated crime" means any crime included within the definition\nof a "designated offense" in subdivision eight of section 700.05 of this\nchapter, any criminal act as defined in subdivision one of section\n460.10 of the penal law, bail jumping in the first and second degree as\ndefined in sections 215.57 and 215.56 of such law, or aggravated\nharassment as defined in subdivisions one and two of section 240.30 of\nsuch law.\n 6. "Justice" means justice as defined in subdivision four of section\n700.05 of this chapter.\n