17 C.F.R. § 21.01 Special calls for information on controlled accounts from futures commission merchants and introducing brokers.
Title 17 - Commodity and Securities Exchanges
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. [71 FR 37821, July 3, 2006]
Title 17: Commodity and Securities Exchanges
PART 21—SPECIAL CALLS
§ 21.01 Special calls for information on controlled accounts from futures commission merchants and introducing brokers.

