Joseph Darcy Henchman
                
                    Counsel of Record
 
                
                
            
            
                
                    
                        National Taxpayers Union Foundation
                    
                    
                        122 C Street N.W.
                    
                        #700
                                     
                    Washington, DC 20001
                       
                        jbh@ntu.org
                       
                Ph: (703) 683-5700
                Party name: National Taxpayers Union Foundation
              
          
        
            
                Audrey Anne Patten
                
                    Counsel of Record
 
                
                
            
            
                
                    
                        The Legal Services Center of Harvard Law School
                    
                    
                        122 Boylston St
                                     
                    Jamaica Plain, MA 02130
                       
                        apatten@law.harvard.edu
                       
                Ph: 617-384-0734
                Party name: The Center for Taxpayer Rights
              
          
        
            
                A. Lavar Taylor
                
                    Counsel of Record
 
                
                
            
            
                
                    
                        Taylor Nelson Amitrano LLP
                    
                    
                        1900 Main Street
                    
                        Suite 650
                                     
                    Irvine, CA 92614
                       
                        ltaylor@taylorlaw.com
                       
                Ph: 714-546-0445
                Party name: A. Lavar Taylor
              
          
        
            
                Lauren Willard Zehmer
                
                    Counsel of Record
 
                
                
            
            
                
                    
                        Covington & Burling LLP
                    
                    
                        850 Tenth Street NW
                                     
                    Washington, DC 20001
                       
                        lzehmer@cov.com
                       
                Ph: (202) 662-6000
                Party name: The Chamber of Commerce of the United States of America