12 C.F.R. § 1070.32 – Testimony and production of documents prohibited unless approved by the General Counsel.

(a) Unless authorized by the General Counsel, no employee or former employee of the CFPB shall, in response to a demand or a request provide oral or written testimony by deposition, declaration, affidavit, or otherwise concerning any official information.
(b) Unless authorized by the General Counsel, no employee or former employee shall, in response to a demand or request, produce any document or any material acquired as part of the performance of that employee's duties or by virtue of that employee's official status.