100 Percent Disabled Veterans Exemption (Tax Code Section 11.131(b)): Property owner who receives a 100 percent disability compensation due to a service-. Exemption applications can be downloaded from here.Attach this form to the homestead exemption application (form DTE 105A) if the applicant is requesting the homestead exemption based on disability status. The first step is to fill out the application form (DTE105A). Buy a home with the right mortgage for your unique needs. Get started with our mortgage calculators, apply online, or speak to a loan officer.