Establish terms for sale and purchase of an asset. This guide will break down the ins and outs of asset purchase agreements for multiple owners, making this complex legal topic more digestible and actionable.Each department will establish a Capital Asset Manager to ensure an effective countywide Capital. Asset Management Program. The opening paragraph of an asset purchase agreement includes the buyer and seller's name and address as well as the date of signing. Use a Business Bill of Sale to set out the terms for the sale of a business and transfer the ownership and all assets to the buyer.