Scotch whisky whisky used. An age statement on the bottle, in the form of a number, 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. Scotch whisky without an age statement may, by law, be as young as three years old. In the early 21st century, such "No age statement" whiskies became more common, as distilleries responded to the depletion of aged stocks caused by improved sales. Labels may also carry various declarations of filtration techniques or final maturation processes. A Scotch whisky labelled as "natural"
Scotch whisky that it also be bottled and labelled in Scotland. Labels may also indicate the region of the distillery (for example, Islay or Speyside). Alcoholic strength is expressed on the label with "Alcohol By Volume" ("ABV") or sometimes simply "Vol". Typically, bottled whisky is between 40% and 46% ABV. Whisky is considerably stronger when first emerging from the cask—normally 60–63% ABV. Water is then added to create the desired bottling strength. If the whisky is not diluted before bottling, it can be labelled as cask strength. A whisky's age may be listed on the bottle providing a guarantee of the youngest