; or (C) there is consent provided in accordance with paragraph (12). (6) Due diligence A determination of whether the person identified by the queried term is a United States person or a person reasonably believed to be located in the United States under paragraph (1) or (4) shall be made based on the totality of the circumstances, including by, to the extent practicable, ensuring that any conflicting information regarding whether the person is a United States person or is reasonably believed to be located outside the United States is resolved before making such determination. If there is insufficient information available to make a determination, the person identified by the queried term shall be considered a United States person or person reasonably believed to be located in the United States for purposes of paragraphs (1) and (4). (7) Limitation on electronic surveillance of United States persons If the Attorney General determines that it is necessary to conduct electronic surveillance on a known United States person whose communications have been acquired under subsection (a), the Attorney General may only conduct such electronic surveillance using authority provided under other provisions of law. (8) Simultaneous query of FBI databases Except as otherwise provided by law or applicable minimization procedures, the Director of the Federal Bureau of Investigation shall ensure that all available investigative or intelligence databases of the Federal Bureau of Investigation are simultaneously queried when the Federal Bureau of Investigation properly uses an information system of the Federal Bureau of Investigation to determine whether information exists in such a database. (9) Delegation The Attorney General shall delegate the authority under this subsection to the fewest number of officials that the Attorney General determines practicable. (10) Retention of auditable records (A) Records The Attorney General shall retain records of queries of a collection of communications acquired under subsection (a). The