(i) Divulge to any unauthorized person or release in advance of authorization for its release any nonpublic Commission document, or any information contained in any such document or any confidential information:

(ii) Except where the Commission or the General Counsel, pursuant to delegated authority, has previously granted approval or in relation to a Commission administrative proceeding or a judicial proceeding in which the Commission, or a present or former Commissioner, or present or former member of the staff, represented by Commission counsel, is a party, any officer, employee or former officer or employee who is served with a subpoena requiring the disclosure of confidential or non-public information or documents shall, unless the Commission or the General Counsel, pursuant to delegated authority, authorizes the disclosure of such information or documents, respectfully decline to disclose the information or produce the documents called for, basing his or her refusal on this paragraph.

(iii) Any member, employee or former member or employee who is served with such a subpoena not covered by the exceptions in paragraph (b)(7)(ii) of this section shall promptly advise the General Counsel of the service of such subpoena, the nature of the information or documents sought, and any circumstances which may bear upon the desirability in the public interest of making available such information or documents.^[1] The Commission or the General Counsel, pursuant to delegated authority, shall authorize the disclosure of non-expert, non-privileged, factual staff testimony and the production of non-privileged documents when validly subpoenaed.