Complete one of the following application forms: Follow the instructions on the application and provide as much information and as many documents as possible. How does child support work in Arizona?Alimony in Florida: Florida Alimony Law FAQs. What are Frequently Asked Questions for Alimony in FL? Unlike many other states, Arizona law doesn't break out alimony into different types, based on the duration and purpose of the payments. View forms and instructions to change child support or alimony or spousal maintenance in Maricopa County, Arizona. The courts provide a free calculator that can be used to determine what a divorcing parent's child support obligations might be. Unmarried parents are breaking up or separating. An unmarried parent who has never lived with the other parent requests child support. Unmarried parents are breaking up or separating.