(a) 
         If the proprietor wishes to conduct additional operations involving spirits, other than those approved on the current registration, the proprietor must:
     
    
        
        (1) 
         File form TTB F 5110.41, Registration of Distilled Spirits Plant, to amend the registration; and
     
    
        
        (2) 
         Not engage in the additional operations prior to approval of the amended registration.
     
    
        
        (b) 
         If the proprietor wishes to engage in another business that is authorized under  § 19.55 the proprietor must:
     
    
        
        (1) 
         File TTB F 5110.41 to amend the registration;
     
    
        
        (2) 
         Include the information required under  § 19.73(b); and
     
    
        
        (3) 
         Not engage in the other business until approval of the amended registration is received.
     
    
        
            Code of Federal Regulations
        
        (
                26 U.S.C. 5171, 5172, 5271
            )