Barrel for at least two years in new, charred oak containers. Other forms of whisky aged in used barrels cannot be called "straight". International laws require any whisky bearing the label "Scotch" to be distilled and matured in Scotland for a minimum of three years and one day in oak casks. By Canadian law, Canadian whiskies must "be aged in small wood for not less than three years", and "small wood" is defined as a wood barrel not exceeding capacity. Since the U.S. law requires the use of new barrels for several popular types of whisky, which is not typically considered
Barbera d'Asti has been possible to produce "Barbera d'Asti Superiore", for which the wine must have an alcoholic strength of at least 12.5% by volume, and be aged for at least 14 months, 6 months of which stored in oak or chestnut barrels. Many "superiore" producers refine it in small oak barriques to obtain a rounder taste. The "superiore" has the following sub-zones indicated on the label: "Nizza", "Tinella", or "Colli Astiani" ("Asti"). The "superiore" wine has a strong additional aging potential; it can often be aged from ten to twenty years. The Nizza DOCG was added to Asti's Barbera portfolio in