Appendix A: Site References; Legal Description. Business Bill of Sale: This document outlines the sale details, including the purchase price, assets included, and any warranties or guarantees.A business purchase agreement is a legal contract specifying terms for buying or selling a business, including conditions and obligations. Download Utah Asset Purchase Agreement template, modify and send for signing using BoloForms Signature. Download free Purchase Agreement Templates adjusted to Utah laws. For Real Estate, Stocks, Land, Business and more. Step 1 – Fill Out the Buyer and Seller Information. 1. Seller. Write down the seller's full name. An asset purchase agreement is a written legal instrument that formalizes the purchase of a business or significant business asset.