Changes of circumstances and tax credits
If your circumstances change, tell HMRC immediately to avoid being overpaid or underpaid. For example, you should inform it if:
•you stop, or start, being part of a couple;
•you stop being responsible for a child – eg, a child stops living with you;
•you start being responsible for a child – eg, a child comes to live with you or you have a baby;
•a child for whom you claim stops counting as a child or qualifying young person – eg, s/he leaves education;
•your hours of work fall below 16, 24 or 30;
•your hours of work increase;
•your childcare costs change by more than £10 a week for four weeks in a row;
•you, your partner or a dependent child is awarded DLA or PIP, or an award of DLA or PIP stops;
•you stop being entitled to IS, income-based JSA, income-related ESA or PC;
•you have an unexpected change in your income.