THIS ASSET PURCHASE AGREEMENT (this "Agreement"), dated as of September. A Pennsylvania vehicle bill of sale is a legal document formalizing the sale and purchase of a motor vehicle between a buyer and seller.A Pennsylvania bill of sale documents the transfer of ownership of a motor vehicle, boat, gun, or other valuable asset. A bill of sale helps the buyer prove their ownership of the item and gives the seller a record stating that they are no longer responsible for the sold asset. Original Form MV-1. 3. Download Pennsylvania Asset Purchase Agreement template, modify and send for signing using BoloForms Signature. Create a free Pennsylvania bill of sale with detailed instructions for selling a car, boat, gun, or other property.