45 CFR 1167.4: Testimony and production of official records and information.

(a) No employee may produce official records and information or provide any testimony in response to a demand or request unless authorized to do so by the General Counsel in accordance with this part.

(b) The General Counsel, in his or her discretion, may grant an employee permission to testify or produce official records and information in response to a demand or request. In making this decision, the General Counsel shall consider whether:

(1) Allowing such testimony or production of records would be consistent with the purposes of this part;

(2) Allowing such testimony or production of records would be necessary to prevent a miscarriage of justice;

(3) Allowing such testimony or production of records would be in the best interest of NEH and the United States; or

(4) NEH has an interest in the outcome of the legal proceeding.

(c) If authorized to testify pursuant to this part, an employee may testify as to facts within his or her personal knowledge or produce official records and information, but, unless specifically authorized to do so by the General Counsel, shall not:

(1) Disclose confidential or privileged information;

(2) Testify as to matters regarding which the General Counsel determines that testimony would not be in the best interest of NEH or the United States;

(3) Produce official records and information regarding which the General Counsel determines that production would not be in the best interest of NEH or the United States; or

(4) Testify as an expert or opinion witness with regard to any matter arising out of the employee's official duties or the functions of NEH. (See also 5 CFR 2635.805.)