[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: 17CFR21.01] [Page 329] TITLE 17--COMMODITY AND SECURITIES EXCHANGES CHAPTER I--COMMODITY FUTURES TRADING COMMISSION PART 21_SPECIAL CALLS--Table of Contents Sec. 21.01 Special calls for information on controlled accounts from futures commission merchants and introducing brokers. Upon call by the Commission, each futures commission merchant and introducing broker shall file with the Commission the names and addresses of all persons who, by power of attorney or otherwise, exercise trading control over any customer's account in commodity futures or commodity options on any reporting market. (Approved by the Office of Management and Budget under control number 3038-0009) [71 FR 37821, July 3, 2006]