Pay vehicle sales tax, prove the sales tax was paid or prove that a vehicle registration is exempt from sales tax. Find out what documents you will need to provide proof of sale and ownership if you are buying, selling, or gifting a vehicle.Protect your interests when buying or selling a vehicle in New York. Save time and stress with our vehicle bill of sale template. Seller of motor vehicle or vessel must complete, sign and give this form to the purchaser. Visit a motor vehicle agency to transfer the title, complete the Vehicle Registration Application (Form BA-49) if applicable, and receive the license plates. Massachusetts has a sales and use tax on buying or transferring motor vehicles or trailers. The buyer and seller should meet at a notary, tag service, or motor vehicle dealer to ensure the title application is completed correctly. Within 24 hours of the next business day, you will hear from us to schedule your pick-up. Just take a moment to fill out our simple donation form.