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(a) *  *  *

(1) Grape wine is wine produced by the normal alcoholic fermentation of the juice of sound, ripe grapes (including restored or unrestored pure condensed grape must), with or without the addition, after fermentation, of pure condensed grape must and with or without added spirits of the type authorized for natural wine under 26 U.S.C. 5382, but without other addition or abstraction except as may occur in cellar treatment of the type authorized for natural wine under 26 U.S.C. 5382.

(2) Still grape wine may be ameliorated, or sweetened, before, during, or after fermentation, in a way that is consistent with the limits set forth in 26 U.S.C. 5383 for natural grape wine.

(3) The maximum volatile acidity, calculated as acetic acid and exclusive of sulfur dioxide is 0.14 gram per 100 mL (20 degrees Celsius) for red wine and 0.12 gram per 100 mL (20 degrees Celsius) for other grape wine, provided that the maximum volatile acidity for wine produced from unameliorated juice of 28 or more degrees Brix is 0.17 gram per 100 mL for red wine and 0.15 gram per 100 mL for white wine.

(4) Grape wine deriving its characteristic color or lack of color from the presence or absence of the red coloring matter of the skins, juice, or pulp of grapes may be designated as “red wine,” “pink (or rose) wine,” “amber wine,” or “white wine” as the case may be. Any grape wine containing no added grape brandy or alcohol may be further designated as “natural.”

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(d) [Reserved]

(e) *  *  *

(1) Fruit wine is wine produced by the normal alcoholic fermentation of the juice of sound, ripe fruit (including restored or unrestored pure condensed fruit must) other than grapes, with or without the addition, after fermentation, of pure condensed fruit must and, with or without added spirits of the type authorized for natural wine under 26 U.S.C. 5382, but without other addition or abstraction except as may occur in cellar treatment of the type authorized for natural wine under 26 U.S.C. 5382.

(2) Fruit wine may be ameliorated, or sweetened, before, during, or after fermentation, in a way that is consistent with the limits set forth in 26 U.S.C. 5384 for natural fruit wine.

(3) The maximum volatile acidity, calculated as acetic acid and exclusive of sulfur dioxide, shall not be, for fruit wine that does not contain added brandy or wine spirits, more than 0.14 gram, and for other fruit wine, more than 0.12 gram, per 100 milliliters (20 degrees Celsius).

(4) Any fruit wine containing no added grape brandy or alcohol may be further designated as “natural.”

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(8) *  *  * If the fruit wine is derived wholly (except for sugar, water, or added alcohol) from more than one citrus fruit, the designation “citrus wine” or “citrus fruit wine” may, but is not required to, be used instead of “fruit wine,” and the designation must also be qualified by a truthful and adequate statement of composition appearing in direct conjunction therewith. *  *  *

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