The first step is to fill out the application form (DTE105A). Attach this form to the homestead exemption application (form DTE 105A) if the applicant is requesting the homestead exemption based on disability status.There are no age or income requirements! To apply, a homestead exemption application (DTE 105A) must be filed with the Auditor after January 1 and on or before December 31 in the year of application. Ohio Homestead Tax Reduction Expanded For Military Veterans The Homestead Exemption eligibility requirements for military veterans has been expanded. TDIU Veteran Property Tax Reduction. Homestead Tax Reduction. Homestead exemption for disabled veterans.