on October 23, 1984 by the Bureau of Alcohol, Tobacco and Firearms (ATF), Treasury after reviewing petitions submitted by the Rancho California/Temecula Winegrowers Association and Callaway Vineyard and Winery, Temecula, California in 1981 proposing a viticultural area in Riverside County named "Temecula."

In 1982, the petitioners initially proposed