17 C.F.R. § 41.2 Required records.
Title 17 - Commodity and Securities Exchanges
A designated contract market or registered derivatives transaction execution facility that trades a security index or security futures product shall maintain in accordance with the requirements of §1.31 books and records of all activities related to the trading of such products, including: Records related to any determination under subpart B of this part whether or not a futures contract on a security index is a narrow-based security index or a broad-based security index.
Title 17: Commodity and Securities Exchanges
PART 41—SECURITY FUTURES PRODUCTS
Subpart A—General Provisions
§ 41.2 Required records.
