The Pennsylvania bill of sale form acknowledges the transfer of possession of a piece of personal property for an agreedupon sum of money. This transaction is made in the County of. ,.State of Pennsylvania, on. Learn about bills of sale in Pennsylvania for vehicles, firearms, animals, etc. The Pennsylvania Motor Vehicle Bill of Sale form is a crucial document that records the transfer of ownership of a vehicle from one party to another. Download one of our bill of sale forms to transfer ownership of an item from one person to another. When selling a vehicle, the seller must sign and handprint their name on the proof of ownership document. After the title is issued to that person, they may assign ownership on the reverse side of the certificate of title and attach a completed Form MV-4ST. Send empty bill of sale form via email, link, or fax. You can also download it, export it or print it out.