This subpart applies exclusively to demands for testimony and/or production of records issued to Ex-Im Bank personnel, in connection with legal proceedings to which Ex-Im Bank is not a party, regarding information acquired in the course of the performance of official duties or due to their official status. Nothing in this subpart shall be construed to waive the sovereign immunity of the United States. This subpart shall not apply to the following:

(a) Demands for testimony and/or production of records pursuant to a legal proceeding to which Ex-Im Bank is a party:

(b) Demands for testimony and/or production of records in those instances in which Ex-Im Bank personnel are asked to disclose information wholly unrelated to their official duties; and

(c) Congressional demands and requests for testimony or records.