When selling a vehicle, the seller must sign and handprint their name on the proof of ownership document. A Pennsylvania motor vehicle bill of sale is evidence of a vehicle's transfer.Use our template to build your vehicle bill of sale. âť’ ODOMETER STATEMENT: Fill in the appropriate spaces in Section A. âť’ REGISTRATION PLATE: Remove the registration plate for transfer to another vehicle or return. The Pennsylvania bill of sale form acknowledges the transfer of possession of a piece of personal property for an agreedupon sum of money.