Here is an example of what a business purchase agreement might look like. Business Bill of Sale: This document outlines the sale details, including the purchase price, assets included, and any warranties or guarantees.An asset purchase agreement is a type of contract that pertains specifically to the sale of a business or particular business assets. This contract is a legally binding document outlining the terms and conditions for the sale of a business and its assets. Business assets are not considered legally transferred without a properly executed Business Purchase Agreement between the seller and purchaser. Below we have included five of the most common and most important documents involved in selling a business in Florida.