CMS Arrears FAQs

What are CMS arrears?

CMS arrears are unpaid child maintenance payments that have not been made. They build up over time if payments are missed or incorrectly calculated. Learn more →

How does CMS calculate arrears?

Arrears are based on what should have been paid minus what was actually paid. CMS keeps a running balance which may not always reflect real payments. Further guidance →

Can I challenge incorrect arrears?

Yes. If arrears are wrong, you can challenge them using evidence and the formal dispute process. See steps →

What happens if arrears are not paid?

CMS can take enforcement action, including deductions from wages, bank accounts, or legal action through the courts. Follow the steps →

Can I agree a repayment plan?

Yes. CMS may allow instalments depending on your situation, but it’s important the agreement is recorded correctly. Guidance →

Does CMS charge interest on arrears?

CMS does not usually charge interest, but enforcement action can increase pressure. Start here →

How do I check my arrears balance?

You can check via your CMS account or by contacting them. Always compare this with your own records. Learn how →

What if CMS records are wrong?

You must provide evidence and request correction. A structured challenge is more effective. Steps here →

Can I appeal arrears decisions?

Yes. You can go through MR and then tribunal if necessary. See how →

Do arrears affect current payments?

Arrears are separate but may be collected alongside current maintenance. See steps →

Can I manage arrears online?

Yes via your CMS account, but always keep your own records. Learn more →

How long do arrears stay on record?

They remain until resolved or paid. Keep records long term. Start here →

Why should I keep my own records?

Your records protect you if CMS data is incorrect. Guidance →