Registration of commodity dealers and associated persons; regulation of registered entities

The Commission is authorized— upon notice, but without a hearing and pursuant to such rules, regulations, or orders as the Commission may adopt, to refuse to register, to register conditionally, or to suspend or place restrictions upon the registration of, any person and with such a hearing as may be appropriate to revoke the registration of any person— to refuse to register or to register conditionally any person, if it is found, after opportunity for hearing, that— to alter or supplement the rules of a registered entity insofar as necessary or appropriate by rule or regulation or by order, if after making the appropriate request in writing to a registered entity that such registered entity effect on its own behalf specified changes in its rules and practices, and after appropriate notice and opportunity for hearing, the Commission determines that such registered entity has not made the changes so required, and that such changes are necessary or appropriate for the protection of persons producing, handling, processing, or consuming any commodity traded for future delivery on such registered entity, or the product or byproduct thereof, or for the protection of traders or to insure fair dealing in commodities traded for future delivery on such registered entity. Such rules, regulations, or orders may specify changes with respect to such matters as— margin requirements, provided that the rules, regulations, or orders shall—