This packet contains court-approved instructions to register a foreign (out-of-state) family support order in. Use this form to apply for an Australian child support assessment if you're living outside Australia, excluding New Zealand.Australia and the United States have a bilateral agreement to enforce child support payments for parents resident in their country when the child is abroad. Your child support order from an Arizona court can be enforced abroad. The United States has reciprocity agreements with 16 countries and Canadian provinces. We may be able to help you set up child support when you or the other parent live in another country. These international child support agreements specify procedures for establishing and enforcing child support orders across borders. There is no treaty in force between the United States and any other country pertaining to the enforcement of child support orders or any other court decrees. An Overview of the Commonwealth Countries' and United States' Procedures for. International child custody disputes are among the most challenging legal issues a parent can face.