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
Paddy Whiskey order "simplify" their portfolio, and allow for more targeted investment in their other Irish whiskey brands, such as Jameson and Powers. At the time of the sale, Paddy was the fourth largest selling Irish whiskey brand in the world, with sales of 200,000 9-litre cases per annum, across 28 countries worldwide. Paddy whiskey is distilled three times and matured in oak casks for up to seven years. Compared with other Irish whiskeys, Paddy has a comparatively low pot still content and a high malt content in its blend. Jim Murray, author of the Whiskey bible, has rated Paddy as "one