; or (2) a warrant issued pursuant to the Federal Rules of Criminal Procedure by a court of competent jurisdiction covering the period of the acquisition and the acquisition is subject to the use, dissemination, querying, retention, and other minimization limitations required by such warrant. (b) Pen register trap and trace No officer or employee of the United States may intentionally target any United States person, regardless of location, or person reasonably believed to be located in the United States for the purpose of collecting foreign intelligence information through the installation and use of pen register or trap and trace device, or to acquire information the compelled production of which would require a pen register or trap and trace device order if conducted inside the United States, unless such person is the subject of— (1) an order or emergency authorization under title IV of this Act covering the period of the acquisition and the acquisition is subject to the use, dissemination, querying, retention, and other minimization limitations required by such authorization; or (2) an order has been issued pursuant to section 3123 of title 18, United States Code, by a court of competent jurisdiction covering the period of the acquisition. (c) Matters relating to emergency acquisition In the event that an emergency acquisition is conducted pursuant to subsection (a)(1) or (b)(1) and the application for such emergency authorization is denied, or in any other case in which the acquisition has been conducted and no order is issued approving the acquisition— (1) no information obtained or evidence derived from such acquisition may be used, received in evidence, or otherwise disseminated in any investigation, trial, hearing, or other proceeding in or before any court, grand jury, department, office, agency, regulatory body, legislative committee, or other authority of the United States, a State, or political subdivision thereof