122.131—Application.
        
        (2) 
         Duty-paid and tax-paid liquor and tobacco which has been placed in the same liquor kit as duty-free and tax-free liquor and tobacco.
    
    
        
        (b) Aircraft.
         Subpart M applies to all commercial aircraft on domestic or foreign flights operating into, from and between U.S. airports, which are carrying:
    
    
        
        (1) 
         Duty-free and tax-free liquor and tobacco withdrawn from bond under  section 309, Tariff Act of 1930, as amended (19 U.S.C. 1309 ); or