All forms are fillable. You can fill it out in Reader and print it from there.The dollar amount of this exemption is increased annually. PART A: Change an Existing Exemption. Complete this portion to rescind or change the percent of the exemption currently in place. Do you want to know about the Arizona homestead exemption? You may need to record a Declaration of Homestead. Deadline for filing Homestead exemption (including Disability Exemption or Age Exemption) is April 1st. The homestead exemption form is available here.