Application for Senior Citizens Exemption. To qualify, seniors generally must be 65 years of age or older and meet certain income limitations and other requirements.Who qualifies for Homestead? Org online forms, or comptroller.texas. To qualify for the senior exemption: The taxpayer must qualify for and have or file for Homestead Exemption. Please verify that you are not currently approved for the exclusion before submitting an application. Disabled applicants must complete form DTE 105E,. You may file for an exemption between February 1 and June 30 of every year. Homestead Exemptions FAQ. If you think you might qualify and need information or assistance in completing the application, call the Franklin Senior Center; 508-520-4945.