Except as provided in subparagraphs (B) and (C), the Commission, and any officer or employee of the Commission, shall not disclose any information, including information provided by a whistleblower to the Commission, which could reasonably be expected to reveal the identity of a whistleblower, except in accordance with the provisions of section
552a of title
5, unless and until required to be disclosed to a defendant or respondent in connection with a public proceeding instituted by the Commission or any entity described in subparagraph (C). For purposes of section
552 of title
5, this paragraph shall be considered a statute described in subsection (b)(3)(B) of such section
552.