(a) General provisions. — An investigative or law-enforcement officer may make application for an order or an extension of an order under § 2433 of this title authorizing or approving the installation and use of a pen register or a trap and trace device, in writing, under oath or equivalent affirmation, to a court of competent jurisdiction of this State.
(b) Contents of application. — An application under subsection (a) of this section shall include:
(1) The identity of the law-enforcement or investigative officer making the application and the identity of the law-enforcement agency conducting the investigation; and
(2) A statement under oath by the applicant that the information likely to be obtained is relevant to an ongoing criminal investigation being conducted by that agency.