Learn how to get and enforce a child support order if the other parent lives in another state or country. DCSS can assist either party to establish, modify or enforce a child support order.Complete one of the following application forms: Follow the instructions on the application and provide as much information and as many documents as possible. In Arizona, child support can be estimated using the Arizona Child Support guidelines. This list contains current links to state divorce forms where available. Some states may have additional requirements or restrictions. The use of these services does not prevent wither parent from having an attorney represent them or filling their own court actions concerning support. Use the free online Child Support Calculator to produce a new Worksheet. Before an Arizona court can order a modification of child support, a party must make a showing of changed circumstances. The termination of alimony is a substantial change in circumstances warranting the modification of child support.