If a change in ownership occurs during the period that registration is otherwise valid, the landlord of the establishment will have thirty (30) days from the date of ownership change to file a new registration with the Director, and pay a new registration fee. The Rental Registration Form can be completed and mailed to: C/O Regulatory Compliance Department 620 S. Wisteria St. Mansfield, Texas 76063 or by completing the online registration form.