To receive a disabled veteran exemption, you must either be a veteran who was disabled while serving with the US armed forces or the surviving spouse or child. For the 100 Percent Disabled Veteran exemption, you'll use the Application for Residence Homestead Exemption (Form 50114).The Texas Legislature enacted House Bill 3613 which added Section 11.131 to the Texas. A surviving spouse may qualify for this exemption if they are a Texas resident and have not remarried. You can use Texas Comptroller Form 50135 to apply for the Disabled Veteran's or Survivor's Exemption.