Below is a collection of helpful documents, including budgeting tools, guides on writing a business plan, and more. Once you have the perfect name, you need to obtain your "Doing Business As" record, also known as a DBA or Assumed Name through the Bexar County Clerk's Office.The 12-step sales letter template is designed to overcome each of these objections in a careful, methodical series of copywriting tactics. Have you ever tried (or been tasked with) writing a sales letter? Texas imposes a 6.25 percent state sales and use tax on all retail sales, leases and rentals of most goods, as well as taxable services. A Certificate of Occupancy is required for all businesses in the city. Learn more about applying for a Certificate of Occupancy. Our office provides help with SBA services including funding programs, counseling, federal contracting certifications, and disaster recovery. You may fill out the change of address form or simply make the request in writing. Write some letters, follow them up, and you will get appointments.