On August 1 of year 1, Riverside Corp. (RC), a calendar year taxpayer, acquired the assets of another business in a taxable acquisition.I'm gonna break down all the terms and conditions so you can understand what it means and we're gonna fill that out so you can have a real-life example of it. Invoices can either be mailed to PO Box 868, Riverside, CA 92502 or email us. Sales Agreement for Buying a Business​​ The sales agreement is the key document to finalize the purchase of the business. This is a step-by-step tutorial on how to fill out a residential purchase agreement. Sunbelt Business Brokers of Riverside County will search thousands of business-for-sale listings to find the business for you. Identify the parties involved in the transaction. 2. A Fictitious Business Name shall be filed within 40 days of first transacting business. Once registered, it is effective for 5 years.