Massachusetts State Mandated Buyers guide. This is one of two buyers guides available to Massachusetts, see also BGE-25. 3-Part Buyers Guide, Slick stick, Plastic-Back. Seals to window on all 4 sides.Wholesale (Auto) Forms supports dealerships with FTC approved, dealership-quality stickers that last for the life of each vehicle on your lot. Never replace an auto form again. Don’t see exactly what you want? Custom forms are available.