The MVA provides a Bill of Sale form. A bill of sale is a legal document that outlines the terms of the deal and serves as proof that the vehicle was sold.A Maryland Bill of Sale records the sale and transfer of ownership of personal property such as a vehicle, boat, firearm, or other items in Maryland. Please notarize your sale. A second space is provided for notarizing an additional party to the transaction who may not be present at the initial notarization. An as-is bill of sale means the buyer agrees to purchase the item in its current condition, regardless of what that condition is. An automobile bill of sale or used vehicle bill of sale is like a receipt that proves you've transferred the car to the buyer. A bill of sale will detail a transfer of property or sale of items between a seller and buyer. This type of document serves as legal evidence. The Maryland Motor Vehicle Bill of Sale form is a legal document that records the transfer of ownership of a vehicle from one party to another.