(a) Conditions or restrictions may be imposed on the testimony of the Committee employees including, for example, limiting the areas of testimony or requiring the requester and other parties to the legal proceeding to agree that they will seek to file the transcript of the testimony under seal and that it will be used or made available only in the particular legal proceeding for which testimony was requested. The General Counsel may also require a copy of the transcript or testimony be provided to the Committee at the requester's expense.

(b) The Committee may offer the employee's written declaration in lieu of testimony.

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

(1) Disclose confidential or privileged information;

(2) Testify as to any information outside the scope of the General Counsel's authorization (see §51-11.7); or

(3) For a current Committee employee, testify as an expert or opinion witness with regard to any matter arising out of the employee's official duties or the functions of the Committee unless testimony is being given on behalf of the United States whether or not the United States is a party.