Iowa Certification Re Homestead Exemption (IANB522) is a certificate issued by the Iowa Department of Revenue to recognize a taxpayer’s eligibility for the Homestead Exemption. This exemption allows a taxpayer to receive a reduction in their property taxes for their primary residence. This certificate must be filed annually with the county auditor and requires the taxpayer to meet certain criteria. The types of Iowa Certification Re Homestead Exemption (IANB522) include the standard Homestead Exemption, the Elderly and Disabled Homestead Exemption, and the Military Service Homestead Exemption.