596.304—Financial transaction.
         The term financial transaction shall have the meaning set forth in 18 U.S.C. 1956(c)(4), as from time to time amended. As of the effective date, this term includes:
    
    
    
    
    
    
        
        (b) 
         A transaction involving the use of a financial institution which is engaged in, or the activities of which affect, interstate or foreign commerce in any way or degree.