A bill of sale form can only be obtained at a local DMV office. A generic bill of sale will NOT be accepted.South Carolina law requires that you register your newly purchased vehicle within 45 days of the purchase date. A bill of sale may or may not be required in Arizona, depending on who is selling the vehicle. Motor Vehicle Bill of Sale – This document will provide information regarding the identification, sale, purchase, and change of ownership of a motor vehicle. Need to write a bill of sale? Click here to follow a step-by-step guide and learn the 15 key elements that must be included in 2023. Seller Name (first, middle, last, suffix).