Fill out the Homestead Tax Credit, 54-028 form. Return the form to your city or county assessor.Eligible claimants who are 65 years of age or older on or before January 1 of the assessment year are now eligible for a homestead tax exemption. Address: City: State: ZIP: Phone: Answer these questions to determine eligibility: 1. Are you currently an Iowa resident? Iowa law provides for a number of credits and exemptions. The Iowa Department of Revenue has amended the Homestead Tax Credit and Exemption form (54-028) to allow claimants to apply for the new exemption. Pre-populated Homestead Tax Credit Application Forms are available to be printed from within your parcel on our website. Find a CenterWell Pharmacy location near you. If you live near one of our on-site pharmacies, you can view the address here.