[Code of Federal Regulations] [Title 17, Volume 1] [Revised as of April 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 17CFR8.25] [Page 218] TITLE 17--COMMODITY AND SECURITIES EXCHANGES CHAPTER I--COMMODITY FUTURES TRADING COMMISSION PART 8_EXCHANGE PROCEDURES FOR DISCIPLINARY, SUMMARY, AND MEMBERSHIP DENIAL ACTIONS--Table of Contents Subpart C_Summary Actions Sec. 8.25 Member responsibility actions. An exchange may suspend at any time, or take other summary action against, a person subject to its jurisdiction upon a reasonable belief that such immediate action is necessary to protect the best interest of the marketplace.