Scotch whisky three years. Any age statement on a bottle of Scotch whisky, expressed in numerical form, must reflect the age of the youngest whisky used to produce that product. A whisky with an age statement is known as guaranteed-age whisky. A whisky without an age statement is known as a no age statement (NAS) whisky, the only guarantee being that all whisky contained in that bottle is at least three years old. The first written mention of Scotch whisky is in the Exchequer Rolls of Scotland, 1495. A friar named John Cor was the distiller at Lindores Abbey in Newburgh, Fife,
Scotch whisky also encounter the term "single cask", signifying the bottling comes entirely from one cask. The term "blended malt" signifies that single malt whisky from different distilleries are blended in the bottle. The Cardhu distillery also began using the term "pure malt" for the same purpose, causing a controversy in the process over clarity in labelling – the Glenfiddich distillery was using the term to describe some single malt bottlings. As a result, the Scotch Whisky Association declared that a mixture of single malt whiskies must be labelled a "blended malt". The use of the former terms "vatted malt" and "pure