HM Revenue & Customs

Other tax relief deductions 13 - Maintenance payments

If:

Relief at 10% is available on payments up to £3,510 in total.

You must meet all 4 of the following conditions:

In addition, if the first condition is met and the payments you make are to the other parent for the maintenance of your child, or a child you have treated as part of your family, who is under 21, then you can get tax relief.

Enter the lower of the payments you made or £3,510. Tax relief will be 10% of this figure.