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
Tennessee whiskey in Plainfield, Illinois, for filtering with charcoal made at the Dickel distillery and then bottling. In early 2014, the brand introduced a white corn whiskey using an unaged version of its standard mashbill, which consists of more than 80% corn, allowing for its sale as "corn whiskey". The bottle makes no reference to Tennessee whiskey. Production began in 2012 of a Jack Daniel's Tennessee Rye. As it is 70% rye, it is not labeled as a Tennessee whiskey. A limited initial release that was not aged in wood was labeled "Spirits Distilled from Grain". A second limited release, called "Rested