Application deadline date is September 1st of the current year. It involves completing a form and submitting it to the county recorder's office.The affidavit and eligibility form necessary to file an application for exemption can be obtained from the assessor. A None of my children under 18 years of age resided with me during the previous calendar year. Here is the application form for Maricopa County. Place an "X" in the box to the left of the disease(s) listed to exempt your child from the vaccine. Initial and date the box on the right. Who is eligible for Arizona Property Tax Exemptions for Disabled Veterans and Surviving Spouses? 1. A deed that represents the payment in full or forfeiture of a recorded contract for the sale of real property. 2. A lease or easement on real property.