; (2) by redesignating paragraph (3) as paragraph (6); and (3) by striking paragraph (2) and inserting the following: (2) Prohibition on warrantless queries for the communications and other information of United States persons and persons located in the United States (A) In general Except as provided in subparagraphs (B) and (C), no officer or employee of the United States may conduct a query of information acquired under this section in an effort to find communications or information the compelled production of which would require a probable cause warrant if sought for law enforcement purposes in the United States, of or about 1 or more United States persons or persons reasonably believed to be located in the United States at the time of the query or the time of the communication or creation of the information. (B) Exceptions for concurrent authorization, consent, emergency situations, and certain defensive cybersecurity queries (i) In general Subparagraph (A) shall not apply to a query related to a United States person or person reasonably believed to be located in the United States at the time of the query or the time of the communication or creation of the information if— (I) such person is the subject of an order or emergency authorization authorizing electronic surveillance or physical search under section 105 or 304 of this Act, or a warrant issued pursuant to the Federal Rules of Criminal Procedure by a court of competent jurisdiction authorizing the conduct of the query; (II) (aa) the officer or employee carrying out the query has a reasonable belief that— (AA) an emergency exists involving an imminent threat of death or serious bodily harm; and (BB) in order to prevent or mitigate this threat, the query must be conducted before authorization pursuant to subparagraph (I) can, with due diligence, be obtained