Either party may file to modify the Arizona divorce decree provisions for child support, child custody, parenting time, and alimony. Learn About Modification of Settlement Agreements in Arizona from the AwardWinning Arizona Divorce Attorneys at Hildebrand Law, PC.Depending on the circumstances it is possible to get a divorce modification. We have experienced attorneys to handle your case. It is possible to get a divorce modification with children (child custody) in Arizona. Call our experienced divorce lawyers (602) 254-8880. To pursue a modification, you must file a formal petition with the court that initially oversaw your divorce. Your court might have a doityourself packet for changing parts of your decree; however, property and debt division are generally not subject to modification. Step 1: Complete forms. You can download the forms to open your case from the state's self-help website or your county's website.