{"data":{"id":"us/17-cfr-41.2","jurisdiction":"us","citation":"17 CFR 41.2","heading":"Required records.","body":"A designated contract market that trades a security index or security futures product shall maintain in accordance with the requirements of § 1.31 of this chapter 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.","path":["Title 17—Commodity and Securities Exchanges","CHAPTER I—COMMODITY FUTURES TRADING COMMISSION","PART 41—SECURITY FUTURES PRODUCTS","Subpart A—General Provisions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-17.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:31Z","sha256":"8e7302262724f46c987e2a169c5408b23b992385166eecd7ef3a7d05ec0d8196","source_id":"us-cfr","stale":true,"prev":"us/17-cfr-41.1","next":"us/17-cfr-41.3"},"notice":"GroundRules: Original legal text. Not legal advice."}