Table of ContentsĪn all-terrain vehicle (ATV) bill of sale is a legal document used to record the transaction of an ATV from seller to buyer. This document will provide information with regard to the seller, the buyer, the amount paid, all of the information with regard to the vehicle needed for sale and registration. Once the seller has received payment from the buyer, complete the document for appropriate proof of sale. The all-terrain vehicle (ATV) bill of sale is a legal document that records the legal sale and purchase of an ATV.