Barrel for at least two years in new, charred oak containers. Other forms of whisky aged in used barrels cannot be called "straight". International laws require any whisky bearing the label "Scotch" to be distilled and matured in Scotland for a minimum of three years and one day in oak casks. By Canadian law, Canadian whiskies must "be aged in small wood for not less than three years", and "small wood" is defined as a wood barrel not exceeding capacity. Since the U.S. law requires the use of new barrels for several popular types of whisky, which is not typically considered
Blackadder (whisky bottler) "Aberdeen Distillers" and "The Clydesdale Original Scotch Whisky Co. Ltd." Since 2000, Blackadder has also offered the "Raw Cask" series, which consists of whisky bottled directly from the cask, without even mechanical filtering. The lack of filtering leaves some detritus in the bottles including fragments of cask wood. In 2014 Blackadder introduced a range of whiskies called Black Snake. These whiskies are produced using a Solera system, where aged single malts are placed into either an Oloroso or PX Sherry cask for further aging. When deemed ready, 2/3 of the cask is drawn to be bottled and the cask is