U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 16, 2025

All TitlesTitle 17Chapter IPart 41Subpart E - Subpart E—Customer Accounts and Margin Requirements
§ 41.41 - Security futures products accounts.
§ 41.42 - Customer margin requirements for security futures—authority, purpose, interpretation, and scope.
§ 41.43 - Definitions.
§ 41.44 - General provisions.
§ 41.45 - Required margin.
§ 41.46 - Type, form and use of margin.
§ 41.47 - Withdrawal of margin.
§ 41.48 - Undermargined accounts.
§ 41.49 - Filing proposed margin rule changes with the Commission.
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