12 C.F.R. § 404.29
A party's demand for testimony and/or production of records by Ex-Im Bank personnel regarding information acquired in the course of their performance of official duties or due to their official status shall be set forth in, or accompanied by, a signed affidavit or other written statement. Such affidavit or written statement must be submitted at least 30 days prior to the date such testimony and/or production of records is requested to be taken and/or produced. A copy of the affidavit or written statement shall be served on the other parties to the legal proceeding. The affidavit or written statement must:
[71 FR 14361, Mar. 22, 2006. Redesignated at 87 FR 41034, July 11, 2022]