A purchaser of the assets of a business will be liable for any unpaid sales tax of the seller, as well as any accrued interest and penalties related thereto. An Asset Purchase Agreement is an agreement between a buyer and a seller of a business as to the terms and conditions of the sale of the business.THIS PURCHASE AND SALE AGREEMENT (the "Agreement") is made as of the Effective. 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. Our Community Outreach team conducts trainings, and delivers information about payment plans and other services directly to taxpayers.