Massachusetts Bill of Sale Forms (3). A Massachusetts bill of sale allows a seller to transfer ownership of personal property in exchange for cash or trade.A Massachusetts vehicle bill of sale serves as evidence of the transfer of a vehicle. Use our template to build your vehicle bill of sale. "Streamline your personal property transactions with our General Bill of Sale Form. This form below is designed for use on upon the sale of a motor vehicle or automobile. An as-is bill of sale is a transaction in which a buyer is purchasing an item in its present condition with all faults, visible or not. Learn about bills of sale in Massachusetts for cars, boats, firearms, and more.