W. Va. Code § 60-8A-1: Definition of Hard Cider.

“Hard Cider” means a type of wine that is derived primarily from the fermentation of apples, pears, peaches, honey, or other fruit, or from apple, pear, peach, or other fruit juice concentrate and water; contains no more than 0.64 grams of carbon dioxide per 100 milliliters; contains at least one half of one percent and less than 12 and one half percent alcohol by volume; and is advertised, labeled, offered for sale, or sold, as hard cider or cider containing alcohol, and not as a wine, wine product, or as a substitute for wine.