| http://www.w3.org/ns/prov#value | - system is a member has rules to require such coordinated trading halts.???(XI) The margin requirements for a security futures product comply with the regulations prescribed pursuant to section 7(c)(2)(B) of the Securities Exchange Act of 1934, except that nothing in this subclause shall be construed to prevent a board of trade from requiring higher margin levels for a security futures product whe
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