CFR›Title 17›Chapter I›Part 155 ContainsSections 155.1–155.10CorpusDaily eCFRDisplayed edition2026-05-12Last updated2026-05-12 PART 155—TRADING STANDARDS Sections 155.1 § 155.1 Definitions. 155.2 § 155.2 Trading standards for floor brokers. 155.3 § 155.3 Trading standards for futures commission merchants. 155.4 § 155.4 Trading standards for introducing brokers. 155.5-155.6 §§ 155.5-155.6 [Reserved] 155.10 § 155.10 Exemptions. Authority7 U.S.C. 6b, 6c, 6g, 6j and 12a, unless otherwise noted. Previous 150 Part 150—Limits on Positions Next 156 Part 156—Broker Associations