First, go to AZMVDNow. Gov and activate your AZ MVD Now account.An Arizona motor vehicle bill of sale is part of the vehicle registration process. You can use our free template to create your document. An Arizona motor vehicle bill of sale (ADOT Form 48-2004) is a legal document that transfers ownership of a motor vehicle from a seller to the buyer. The motor vehicle seller must insert the sales price, nonresident state and Arizona county tax rates and complete all mathematical calculations. The document contains information about the buyer and seller, details about the vehicle, the date of the sale, and the price. In AZ you don't need a bill of sale, and no-one cares for how much you sold or bought it for if you buy it from a private party. Read our comprehensive guide on how to draft the Arizona bill of sale using our professional and customizable vehicle bill of sale template.