[Code of Federal Regulations] [Title 17, Volume 1] [Revised as of April 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 17CFR41.13] [Page 463] TITLE 17--COMMODITY AND SECURITIES EXCHANGES CHAPTER I--COMMODITY FUTURES TRADING COMMISSION PART 41_SECURITY FUTURES PRODUCTS--Table of Contents Subpart B_Narrow-Based Security Indexes Sec. 41.13 Futures contracts on security indexes trading on or subject to the rules of a foreign board of trade. When a contract of sale for future delivery on a security index is traded on or subject to the rules of a foreign board of trade, such index shall not be a narrow-based security index if it would not be a narrow-based security index if a futures contract on such index were traded on a designated contract market or registered derivatives transaction execution facility.