An asset purchase agreement is the legal document that will govern the transfer of ownership of a business's assets from the seller to the buyer. An asset purchase agreement (or APA) is a binding document between a buyer and seller for the purchase and sale of a company's assets.All you need to do is fill out an Application to Update an Existing Certificate of Occupancy to request a name change on the existing certificate of occupancy. Bexar County provides a new form each year, but the updated form can typically be found on the Property Tax web page in the Tax Resources on the right. A Certificate of Occupancy is required for all businesses in the city. Learn more about applying for a Certificate of Occupancy. Our experienced San Antonio business valuation lawyer can help you with the division of your business. Call today and request a consultation.