Utah law requires that you notify the county when you have property on which you have claimed the homeowner's exemption to which you are no longer entitled. The PT-19A is required to be submitted to the County Assessor within 90 days after the day on which the owner receives notice from the County Assessor.The exemption includes land attached to the primary dwelling place. The exemption excludes prior liens. How to file for a Primary Residence Exemption: Step 1. Download and fill out a Primary Residence Application (PDF). Application for Exemption Instructions Details on how to fill out and mail your Property Taxation Exemption Form , PDF: Application for Exemption Property Tax. Douglas County has additional exemptions. Depending on your disability rating, income and the state you live in, you may be able to receive a partial or full property tax exemption. To qualify for a HOMESTEAD EXEMPTION, Idaho Code §63-602G, this property must serve as your primary dwelling.