{"data":{"id":"us/17-cfr-240.3a55-3","jurisdiction":"us","citation":"17 CFR 240.3a55-3","heading":"a55-3 Futures contracts on security indexes trading on or subject to the rules of a foreign board of trade.","body":"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.","path":["Title 17—Commodity and Securities Exchanges","CHAPTER II—SECURITIES AND EXCHANGE COMMISSION","PART 240—GENERAL RULES AND REGULATIONS, SECURITIES EXCHANGE ACT OF 1934","Subpart A—Rules and Regulations Under the Securities Exchange Act of 1934"],"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":"3c3fbb0dbca992371c646dad84c7dfc1607cc73e035ab3bda6d3d636bff0af96","source_id":"us-cfr","stale":true,"prev":"us/17-cfr-240.3a55-2","next":"us/17-cfr-240.3a55-4"},"notice":"GroundRules: Original legal text. Not legal advice."}