The dealer must maintain:
    
    
    
        
        (b) 
         Tax computation records;
     
    
        
        (c) 
         Names, addresses and employer identification numbers of all controlled group members, if applicable;
     
    
        
        (d) 
         A copy of the tax return, if the dealer filed one;
     
    
        
        (e) 
         A list of locations covered by the tax return; and
     
    
        
        (f) 
         A copy of any alternate method or procedure approval issued under  § 46.263.
     
    (Approved by the Office of Management and Budget under control number 1513-0129)