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Annual Review Predictor

Find out whether an income change will trigger a new CMS calculation - and get a plain-English explanation of what it means for you.

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Nights the child stays with the paying parent

How the 25% rule works

The CMS only recalculates maintenance between annual reviews if income changes by 25% or more. Below that threshold, no change is made until the next scheduled review - even if your income has changed significantly.

Enter your details to see your review prediction.