Speed up the sale process - have the agreements in place early. Is the Seller a resident of the Republic of South Africa for.Income Tax purposes? We created a business sale agreement template based on the lawyers' opinions, and it is editable according to the nature of your business. The seller wishes to sell and the purchaser wishes to purchase the business as a going concern on the terms and conditions set out below. This sales agreement template has 4 pages and is a MS Word file type listed under our legal agreements documents. This document is a business sale agreement between a buyer and seller. Complete the relevant details. This includes the Seller and Purchaser's names, the nature of the business being sold and the purchase price.