The purchase and sale agreement for the business entity or assets is a vital document. Identify the parties involved in the transaction. 2.You must submit a paper filing and a supplemental form to the Assessor's Office. Both forms are on our e-filing site. Get your business purchase agreement form template now and ensure your transaction is secure with expert tips from Moton Legal Group. This guide will help you understand how to fill out and sign a business purchase agreement template so that everyone's best interests are protected. Seller desires to sell and Buyer desires to purchase certain assets of Seller used in the Business in accordance with the terms and conditions contained herein. Buying or selling a business? Answer a few simple questions to create your own Business Purchase Agreement. Use a California business purchase agreement to record the sale of a business.