This subpart applies to demands and requests to employees for factual or expert testimony relating to official information, or for production of official records or information, in legal proceedings in which HUD or OIG is not a named party. However, this subpart does not apply to:

(a) Demands upon or requests for an OIG employee to testify as to facts or events that are unrelated to his or her official duties or that are unrelated to the functions of OIG;

(b) Requests for the release of records under the Freedom of Information Act, 5 U.S.C. 552,or,5.S.C. 552a; and

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