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.
Whiskey Rebellion distilled beverage in the 18th century, so the excise became widely known as a "whiskey tax". Farmers of the western frontier were accustomed to distilling their surplus rye, barley, wheat, corn, or fermented grain mixtures into whiskey. These farmers resisted the tax. In these regions, whiskey often served as a medium of exchange. Many of the resisters were war veterans who believed that they were fighting for the principles of the American Revolution, in particular against taxation without local representation, while the federal government maintained that the taxes were the legal expression of Congressional taxation powers. Throughout Western Pennsylvania counties,