Register a Foreign (Out of State) Family Support Order. You may use the forms on this page if the following factors apply to your situation.View forms and instructions to change child support or alimony or spousal maintenance in Maricopa County, Arizona. Learn how Arizona's child support guidelines work, including how to calculate support, collect support payments, and change your existing support order. You can choose to make your payment in whatever way is most convenient for you. The father petitioned to modify child support following his employmentmotivated relocation to New York. Our alimony calculator will provide you with a basic support calculation for the following states or formulas. Although Maricopa County did employ this method in the past, the court ultimately concluded that it was no longer appropriate. Besides alimony, the sheer volume of court forms surrounding legal filings in a divorce is astonishing. Calculating Child Support.