Single malt whisky (and sometimes a third) time. The final spirit, called "new make spirit", generally has an alcohol content of 60 to 70%. Most new-make malt whisky is diluted to about 62.5% a.b.v. before it is placed in casks to mature. The "new-make spirit", or unaged whisky, is then placed in oak casks to mature. By law, all Scotch whisky must be aged for a minimum of three years in oak casks, though many single malts are matured for much longer. The whisky continues to develop and change as it spends time in the wood, and maturation periods of twenty years or
Scotch whisky malt" is prohibited. The term "blended malt" is still debated, as some bottlers maintain that consumers confuse the term with "blended Scotch whisky", which contains some proportion of grain whisky. The brand name featured on the label is usually the same as the distillery name (for example, the Talisker Distillery labels its whiskies with the Talisker name). Indeed, the SWR prohibit bottlers from using a distillery name when the whisky was not made there. A bottler name may also be listed, sometimes independent of the distillery. In addition to requiring that Scotch whisky be distilled in Scotland, the SWR require