If you get Child Tax Credit tell HMRC when your circumstances change for example if:
You start living with a new partner or civil partner.
You divorce or separate from your partner.
Your civil partnership is dissolved.
Any young person you care for leaves full-time education or approved training.
You have a baby or another child comes to live with you.
If you don't tell HMRC about your change in circumstances, you may not get all the money you're entitled to or if you get too much - you may have to pay some back.
