Can I enforce child support across borders?
How the answer differs across 6 jurisdictions
European UnionFull article You can enforce a child maintenance order across EU countries using the EU Maintenance Regulation (Regulation (EU) No 4/2009), which allows you to apply for recognition and enforcement in your ex’s country of residence without starting a new case.
US FederalFull article Yes, the federal government helps collect child support across state lines through the Child Support Enforcement (CSE) program, which requires states to cooperate and use uniform procedures.
You can apply to the Child Maintenance Service (CMS) for enforcement action, or ask the court to issue a liability order and take further steps like wage deductions or seizure of assets.
AustraliaFull article You can ask the Child Support Agency (Services Australia) to enforce unpaid child support through deductions from wages, tax refunds, or legal action in the Federal Circuit and Family Court of Australia.
South KoreaFull article Yes, you can enforce unpaid child support in South Korea through court-ordered enforcement measures like wage garnishment, asset seizure, or compulsory mediation.
SingaporeFull article You can apply to the Family Justice Courts for enforcement of the child maintenance order, including wage deductions, seizure of assets, or committal for contempt.
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European UnionMy ex won't pay child maintenance and lives in another EU country. How do I enforce it?US FederalCan the federal government help me collect child support from a parent in another state?
UKMy ex isn't paying the child maintenance ordered. How do I enforce it?AustraliaMy child's other parent isn't paying child support. How can I enforce it?South KoreaThey're not paying child support. Can I enforce it?SingaporeMy ex-spouse isn't paying child maintenance. What can I do?Not legal advice. This article is general information based on publicly available sources, written for educational purposes. Laws change and individual situations vary. Consult a licensed attorney in your jurisdiction before acting on anything you read here. Last reviewed: June 2026.