From the VA ABC website:
ABC Tasting Events
In keeping with our mission to provide excellent customer service, Virginia ABC is proud to present tasting events at store locations across the state, allowing customers to sample select products before making a purchase. Each sample is limited to ½ ounce of distilled spirits, with a maximum of three samples per person, or up to a total of five ounces of wine. Please check back each week for new event postings.
ABC projects that approximately 240 tasting events will be held each month at select store locations. During the first year of tasting events, more than 2,850 tasting were held at approximately 195 ABC store locations. Tastings are mainly held on Fridays and Saturdays.
As required by law, a person must be 21 years of age to participate in an ABC store tasting or to purchase alcoholic beverages.