37.1—Scope and definition.
        
        (a) Scope.
         The provisions of this part apply to any board of trade operating as or applying to become registered as a derivatives transaction execution facility under  Sections 5a and 6 of the Act.
    
    
        
        (b) Definition.
         As used in this part, the term “eligible commercial entity” means, and shall include, in addition to a party or entity so defined in  section 1a(11) of the Act, a registered floor trader or floor broker trading for its own account, whose trading obligations are guaranteed by a registered futures commission merchant.