Com or call 512-427-1806. Welcome to the Dallas Bar Association!The DBA's purpose is to serve and support the legal profession in Dallas and to promote good relations. We will refer you to a Dallas area attorney (includes Plano and Collin County, Texas). Every lawyer, approved for admittance to practice law in Texas, is required to register with the State Bar of Texas. Download and fill out our application. This PDF download also includes all rules and information about joining. The Texas Bar Career Center is a resource for members of the State Bar of Texas and other legal professionals. Continuing Legal Education from the State Bar of Texas. As you are filling out the application, if you are in doubt, disclose.