Please read the instructions on the back of this form before you complete it. Looking for info on Homestead Exemption tax relief?Homestead Exemption In order to qualify for the exemption, you must be a veteran of the armed forces. The first step is to fill out the application form (DTE105A). Homestead Exemption Application for Disabled Veterans. There are no age or income requirements! Applications must be submitted to the County Auditor in the county of residence on or before December 31st. How do I show proof of age? The Homestead Exemption Application (DTE Form 105A) may be completed and mailed to the Erie County Auditor's Office, 247 Columbus Ave. , Sandusky, OH 44870.