17 CFR § 17.01 - Identification of special accounts, volume threshold accounts, and omnibus accounts.
(a) Identification of special accounts. When a special account is reported for the first time, the futures commission merchant, clearing member, or foreign broker shall identify the special account to the Commission on Form 102, in accordance with the form instructions and as specified in § 17.02(b).
(b) Identification of volume threshold accounts. Each clearing member shall identify and report its volume threshold accounts to the Commission on Form 102, in accordance with the form instructions and as specified in § 17.02(c).
(c) Identification of omnibus accounts and sub-accounts. Each originator of an omnibus volume threshold account identified in Form 102 or an omnibus reportable sub-account identified in Form 71 shall, after a special call upon such originator by the Commission or its designee, file with the Commission an “Identification of Omnibus Accounts and Sub-Accounts” on Form 71, to be completed in accordance with the instructions thereto, at such time and place as directed in the call.
(d) Exclusively self-cleared contracts. Unless determined otherwise by the Commission, reporting markets that list exclusively self-cleared contracts shall meet the requirements of paragraphs (a) and (b) of this section, as they apply to trading in such contracts by all clearing members, on behalf of all clearing members.
(e) Special call provision. Upon a call by the Commission or its designee, the reports required to be filed by futures commission merchants, clearing members, foreign brokers, and reporting markets under paragraphs (a) through (d) of this section shall be submitted within 24 hours of the Commission or its designee's request in accordance with the instructions accompanying the request.