17 C.F.R. § 200.71 Fiduciary relationships.
Title 17 - Commodity and Securities Exchanges
A member should avoid service as a fiduciary if it would interfere or seem to interfere with the proper performance of his duties, or if the interests of those represented require investments in enterprises which are involved in questions to be determined by him. Such relationships would include trustees, executors, corporate directors, and the like.
Title 17: Commodity and Securities Exchanges
PART 200—ORGANIZATION; CONDUCT AND ETHICS; AND INFORMATION AND REQUESTS
Subpart C—Canons of Ethics
§ 200.71 Fiduciary relationships.

