Question to the Department for Work and Pensions:

To ask the Secretary of State for Work and Pensions, if she will make an assessment of the potential merits of moving Child Maintenance Service payment calculations to a monthly Universal Credit style system.

Information about the paying parent's gross income is taken directly from HM Revenue and Customs (HMRC) for the latest tax year available. This allows calculations to be made quickly and accurately. Any income subject to income tax, including bonuses and overtime received by an employed paying parent, is included within their gross weekly income when calculating a child maintenance liability.

The Child Maintenance Service is designed to deliver stability by reviewing the liability annually, unless a substantial change in income has occurred. The 25% tolerance for in-year changes ensures liabilities remain consistent, and both parents can factor this into their financial planning, providing ongoing stability for the child.

In light of societal changes since it was last evaluated, a review of the calculation is currently ongoing to ensure it is fit for purpose and fair for both parents.