Straight whiskey prior to its bottling. American straight whiskey must be aged in charred new oak barrels and must be put into the barrels for aging at a concentration not exceeding 62.5% abv. When bottled, only water to reduce proof may be added. This is the definition established for production of American whiskey for consumption within the United States as per the U.S federal "Standards of Identity for Distilled Spirits". (The regulations do not necessarily apply to American whiskey made for export.) Alternatively, straight can also refer to a way of requesting and/or serving a drink of whiskey—pouring the spirit without any
Bourbon whiskey 90-proof product that it sells as "Devil's Cut". The bottling operation for bourbon is the process of filtering, mixing together straight whiskey from different barrels (sometimes from different distilleries), diluting with water, blending with other ingredients (if producing blended bourbon), and filling containers to produce the final product that is marketed to consumers. By itself, the phrase "bottled by" means only that. Only if the bottler operates the distillery that produced the whiskey may "distilled by" be added to the label. Labeling requirements for bourbon and other alcoholic beverages (including the requirements for what is allowed to be called bourbon