The TTB website provides a number of resources that cover not only wine, but all aspects of regulating alcohol. These resources include:

• Wine FAQs, including the rules covering the tasting and sales of wine (see question W5)
• Guide to Form 5120.17
• TTB 5120.17 Color Coded Sample Report of Wine Premises Operations
• Report of Wine Premises Operations Form 5120.17 Reminder
• Conversion tables, including proof gallons if you’re dealing with spirits