American whiskey vary between those produced for consumption within the United States and those exported abroad. The production and labeling of American whiskey is governed by Title 27 of the U.S. Code of Federal Regulations. Outside of the United States, various other countries recognize certain types of American whiskey, such as bourbon and Tennessee whiskey, as indigenous products of the United States that must be produced (although not necessarily bottled) in the United States. When sold in another country, American whiskey may also be required to conform to local product requirements that apply to whiskey in general when sold in that country.
American whiskey to by combining the term "straight" with the term for the type of whiskey. For example, a rye whiskey that meets this definition is called a "straight rye whiskey". Unqualified "whiskey" without a grain type identification such as "bourbon", "rye", or "corn" must be distilled at less than 95% alcohol by volume (190 proof) from a fermented mash of grain in such a manner that the distillate possesses the taste, aroma, and characteristics generally attributed to whiskey. It must be stored in oak containers – charred new oak is not required – and bottled at no less than 40% alcohol