Minimization procedures
(4)“Minimization procedures” with respect to physical search, means— (A)specific procedures, which shall be adopted by the Attorney General, that are reasonably designed in light of the purposes and technique of the particular physical search, to minimize the acquisition and retention, and prohibit the dissemination, of nonpublicly available information concerning unconsenting United States persons consistent with the need of the United States to obtain, produce, and disseminate foreign intelligence information; (B)procedures that require that nonpublicly available information, which is not foreign intelligence information, as defined insection 1801(e)(1) of this title, shall not be disseminated in a manner that identifies any United States person, without such person’s consent, unless such person’s identity is necessary to understand such foreign intelligence information or assess its importance; (C)notwithstanding subparagraphs (A) and (B), procedures that allow for the retention and dissemination of information that is evidence of a crime which has been, is being, or is about to be committed and that is to be retained or disseminated for law enforcement purposes; and (D)notwithstanding subparagraphs (A), (B), and (C), with respect to any physical search approved pursuant tosection 1822(a) of this title, procedures that require that no information, material, or property of a United States person shall be disclosed, disseminated, or used for any purpose or retained for longer than 72 hours unless a court order undersection 1824 of this titleis obtained or unless the Attorney General determines that the information indicates a threat of death or serious bodily harm to any person.