22 CFR §1305.8

1. (a)The General Counsel may impose conditions or restrictions on the testimony of MCC employees including, for example, limiting the areas of testimony or requiring the requester and other parties to the legal proceeding to agree that the transcript of the testimony will be kept under seal or will only be used or made available in the particular legal proceeding for which testimony was requested. The General Counsel may also require a copy of the transcript of testimony at the requester's expense.
2. (b)MCC may offer the employee's declaration in lieu of testimony, in whatever form the court finds acceptable.
3. (c)If authorized to testify pursuant to this part, an employee may testify to relevant unclassified materials or information within his or her personal knowledge, but, unless specifically authorized to do so by the General Counsel, the employee shall not:
   1. (1)Disclose confidential or privileged information; or
   2. (2)For a current MCC 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 MCC, unless testimony is being given on behalf of the United States.