The buyer must conduct due diligence to determine who owns particular assets and whether those assets are in any way encumbered. Apply for a New Business Tax Certificate online or at the Business Tax Office.Refundable business registration fee plus special fees. You can ask potential buyers to fill out a questionnaire or provide them with an information sheet to complete. The purchase and sale agreement for the business entity or assets is a vital document. The most useful item to aid in completing the form is an accurate and up to date asset listing. Prior to Closing, the Company shall have complete control over the operation of the Business Assets. What provisions should be in the purchase agreement? Obtaining Zoning Clearance is the first step in getting a business license. Completing the Business Property Statement (Form 571L).