Complete an Affidavit of Person Claiming Senior Citizens Freeze Exemption Due to a Deceased Taxpayer form. Provide a copy of the death certificate.To apply for a prorated Senior Citizen Exemption, the applicant must submit a. . Senior Citizen Exemption application form;. Due to a new law, if you got a Senior Citizens Homestead Exemption in Cook County, you don't need to reapply for the years 20192023. Property Tax-Aide features three statewide programs for older Illinois residents: Low-income Senior Citizens Assessment Freeze Homestead Exemption (SCAFHE), (Please note, however, that the tax rate is not frozen.) Qualified individuals must complete and file Form PTAX-340 (Senior. This exemption must be renewed on an annual basis. First-time applicants can obtain forms here Senior Homestead Exemption Form (pdf). You are requesting the senior citizens homestead exemption.