; (B) disclosure of the identity of such a source is necessary to prevent imminent death or significant bodily harm with the objective to prevent such death or harm, respectively; (C) disclosure of the identity of such a source is necessary to identify a person who has disclosed— (i) a trade secret, actionable under section 1831 or 1832 of title 18, United States Code; (ii) individually identifiable health information, as such term is defined in section 1171(6) of the Social Security Act ( 42 U.S.C. 1320d(6) ), actionable under Federal law; or (iii) nonpublic personal information, as such term is defined in section 509(4) of the Gramm-Leach-Biley Act ( 15 U.S.C. 6809(4) ), of any consumer actionable under Federal law; or (D) (i) disclosure of the identity of such a source is essential to identify in a criminal investigation or prosecution a person who without authorization disclosed properly classified information and who at the time of such disclosure had authorized access to such information; and (ii) such unauthorized disclosure has caused or will cause significant and articulable harm to the national security; and (4) that the public interest in compelling disclosure of the information or document involved outweighs the public interest in gathering or disseminating news or information. (b) Authority To consider national security interest For purposes of making a determination under subsection (a)(4), a court may consider the extent of any harm to national security. (c) Limitations on content of information The content of any testimony or document that is compelled under subsection (a) shall— (1) not be overbroad, unreasonable, or oppressive and, as appropriate, be limited to the purpose of verifying published information or describing any surrounding circumstances relevant to the accuracy of such published information