[Code of Federal Regulations] [Title 17, Volume 1] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 17CFR33.8] [Page 405] TITLE 17--COMMODITY AND SECURITIES EXCHANGES CHAPTER I--COMMODITY FUTURES TRADING COMMISSION PART 33_REGULATION OF DOMESTIC EXCHANGE-TRADED COMMODITY OPTION TRANSACTIONS-- Sec. 33.8 Promotional material. Each futures commission merchant and each introducing broker shall retain, in accordance with Sec. 1.31 of this chapter, all promotional material it provides, directly or indirectly, to option customers as well as the true source of authority for the information contained therein. [48 FR 35303, Aug. 3, 1983]