Once completed, note the SST number and come into our office to finish the process. Seller shall provide Buyer a written list of the existing Intangible Property no later than ten (10) business days following the Effective Date.All applications must be completed in Black ink. The second page of the form has specific instructions on how to complete the form. You must submit a paper filing and a supplemental form to the Assessor's Office. Both forms are on our e-filing site. Use a California business purchase agreement to record the sale of a business. Download your free template today.