Alcohol Content In Whisky

Distilled spirits. Ethyl alcohol, hydrated oxide of ethyl, spirits of wine, whisky, rum, brandy, gin, and other distilled spirits, eCFR (.gov) Sources of Volatile Aromatic Congeners in Whiskey - MDPI

If a spirit falls below 40% ABV, it can no longer be sold as "whisky" and is instead classified as a spirit drink or liqueur. alcohol content in whisky