(a) Any person who is compelled or requested to furnish documentary evidence or testimony in a Board-Initiated Investigation shall, upon request, be shown the Order of Investigation. Copies of Orders of Investigation shall not be furnished, for their retention, to such persons requesting the same except with the express approval of the Chairman.

(b) Any person compelled to appear, or who appears in person at a Board-Initiated Investigation by request or permission of the Investigating Officer may be accompanied, represented, and advised by counsel, as provided by the Board's regulations.

(c) The right to be accompanied, represented, and advised by counsel shall mean the right of a person testifying to have an attorney present with him during any aspect of a Board-Initiated Investigation and to have this attorney advise his client before, during and after the conclusion of such examination.