Scotch whisky whisky" is any spirit that qualifies as a single malt Scotch whisky or as a blended Scotch whisky. The latter exclusion is to ensure that a blended Scotch whisky produced from single malt(s) and single grain(s) distilled at the same distillery does not also qualify as single grain Scotch whisky. Three types of blends are defined for Scotch whisky: The five Scotch whisky definitions are structured in such a way that the categories are mutually exclusive. The 2009 regulations changed the formal definition of blended Scotch whisky to achieve this result, but in a way that reflected traditional and current
Blended malt whisky using a corn mash). In practice, unless a different grain is specifically mentioned, a "malt" whisky is assumed to be made from barley. In the case of Scotch whisky, blended malts do not contain any whisky made from grains other than barley or spirits distilled using continuous distillation, unlike products labelled as "blended whisky". For the Scotch whisky industry, the terms "vatted malt" or "pure malt" have been reclassified as "blended malts" per the Scotch Whisky Regulations of 2009, and it has become unlawful to label Scotch Whisky using the prior terminology. When an age statement appears on the label