For the 100 Percent Disabled Veteran exemption, you'll use the Application for Residence Homestead Exemption (Form 50114). You can use Texas Comptroller Form 50135 to apply for the Disabled Veteran's or Survivor's Exemption.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. You can use Texas Comptroller Form 50135 to apply for the Disabled Veteran's or Survivor's Exemption. You may file for a homestead exemption up to one year after the delinquency date – usually Feb. 1. The Texas Legislature enacted House Bill 3613 which added Section 11.131 to the Texas.