17 C.F.R. § 171.6
(a) Prohibition of ex parte communications.
(b) Procedure for handling. Any Commissioner, member of a Commissioner's personal staff or Commission decisional employee who receives, or who makes or knowingly causes to be made, an ex parte communication prohibited by paragraph (a) of this section shall:
(1) Place on the public record of the proceeding:
(c) Sanctions.
(d) Applicability of prohibitions and sanctions against ex parte communications.
(1)