American whiskey labeled as one of these types, the whiskey must be distilled to no more than 80% alcohol by volume (160 U.S. proof) to ensure the flavor of the original mash is adequately retained, and the addition of coloring, caramel, or other flavoring additives is prohibited. All of these, except corn whiskey, must be aged at least briefly (although no minimum aging period is specified) in charred new oak containers. These restrictions do not exist for some similarly named products in some other countries, such as Canada. American corn whiskey does not have to be aged at all – but, if
Canadian Club V, George VI, and Elizabeth II. Hiram Walker & Sons is the only North American distiller to have been granted a royal warrant. The Walker distillery remains in production in Windsor. Canadian Club is now part of the Jim Beam portfolio. It is its number four–selling alcoholic product, behind Jim Beam bourbon whiskey, Sauza Tequila, and DeKuyper cordials. In 1967, Hiram Walker & Sons launched their "Hide A Case" advertising campaign that involved enticing drinkers to seek out cases of Canadian Club that had been hidden at exotic locations throughout the world. These included Mount Kilimanjaro, Angel Falls, Mount St.