100 Percent Disabled Veterans Exemption (Tax Code Section 11.131(b)): Property owner who receives a 100 percent disability compensation due to a service-. Disabled Veteran's Exemption Application.State Form Number: 50-135. You will need a letter from the Department of Veteran Affairs (DVA) showing the disability rating and entitlement. Obtaining a veterans exemption is not automatic – If you're an eligible veteran, you must submit the initial exemption application form to your assessor. GENERAL INSTRUCTIONS: This application is for use in claiming a disabled veteran's or survivor's exemption. A disabled veteran is defined as a veteran. Homestead, over sixty-five, and disabled veterans exemptions are examples of partial exemptions, which reduce the taxable value on qualifying property. You qualify for the Disabled Person Exemption in Collin County if you are under a disability for the purposes of payment of disability benefits. An eligible disabled person age 65 or older may receive both exemptions in the same year, but not from the same taxing units.