For purposes of this part, juice, concentrated juice, or must processed at a plant qualified under section
5511 may be deemed to be pure juice, concentrated juice, or must even though volatile fruit flavor has been removed if, at a plant qualified under section
5511 or at the bonded wine cellar, there is added to such juice, concentrated juice, or must, or (in the case of a bonded wine cellar) to wine of the winemaker’s own production made therefrom, either the identical volatile flavor removed or—