(a) In any proceeding to which the Commission is not a party, an employee of the Commission shall not testify concerning matters related to the business of the Commission unless authorized to do so by the Commission upon the advice of the General Counsel.

(b) In any proceeding, an employee or former employee of the Commission shall not testify concerning non-public matters related to the business of the Commission unless authorized to do so by the Commission upon the advice of the General Counsel. See § 140.735-9 of these regulations.