All formal examination proceedings shall be private and, unless otherwise ordered by the FDIC, all investigative proceedings shall also be private. Unless otherwise ordered or permitted by the FDIC, or required by law, and except as provided in Sec. Sec. 390.83 and 390.84, the entire record of any investigative proceeding or formal examination proceeding, including the order initiating the proceeding, the transcript of such proceeding, and all documents and information obtained by the designated representative(s) during the course of said proceedings shall be confidential.