Complete the application for BA-8 before going to a Hybrid or Vehicle Service Center. Let's go over when to use a trailer bill of sale, what to include in the bill of sale and where to get an official template.Titles may be acquired at a MVC Vehicle Center. But as long as you have a bill of sale showing the ownership transfer, you should be OK with the original certificate from FFR. A New York Trailer Bill of Sale helps streamline the registration process and proves the transfer of ownership if a dispute arises. What Information is Required for a Bill of Sale to be Acceptable? Haul has the largest selection of intown and oneway trucks and trailers available in your area. The Trailer is to be sold free and clear of any liens, encumbrances, or mortgages.