Understand Texas defensive driving affidavits. Operator's Training Course, if applicable._____ (initial) I understand that I must present to the Court the following with this request: 1. YOUR NAME_________________________ Case Number______________________. 3. The City of Houston Affidavit you'll need to get notarized and submit to the court. It requires your signature. Certified copy of your driving record (number 3A) from the Texas Department of Public Safety; Notarized affidavit. 3) Also include the signed and notarized affidavit.