Illinois veterans and persons with disabilities may be eligible for tax relief through the property tax homestead exemptions and mobile home exemptions. Applicants must file a Form PTAX-341, Application for Returning Veterans' Homestead Exemption, with the Chief County Assessment Office.This annual exemption reduces the Equalized Assessed Value (EAV) of a disabled veteran's home, likely lowering the total tax bill. Learn more about exemptions and deferrals for senior citizens, persons with disabilities, and disabled veterans. Find out how to qualify and apply. Application for Veterans Exemption From Real Property Taxation. Douglas County has additional exemptions. The most common is the homestead exemption, which is available to homeowners in their primary residence. Many court records, including documents and audio recordings, can be accessed online via the KC Script Portal.