17 CFR § 21.01 - Special calls for information on controlled accounts from futures commission merchants, clearing members and introducing brokers.

Upon call by the Commission, each futures commission merchant, clearing member 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.

[74 FR 12192, Mar. 23, 2009]