Child tax credit can be claimed for a child or qualifying young person. There are specific rules and age limits which cover claiming child tax credit for children once they turn 16. There is more information about the general rules for child tax credit on our child tax credit page.

From 6 April 2017, a two child limit policy was introduced to child tax credit which limits the amount of child tax credit awards. This page explains how the policy works and the exceptions.

This page explains the different ways you can contact HMRC about tax credits and the support HMRC can provide to you. 

Sometimes the only way to sort out any problems with a tax credits claim is to make a formal complaint. We explain how to complain to HMRC and the different complaint stages.

HMRC routinely check tax credit awards to make sure they are correct. This page explains the process.

Overpayments and underpayments are a normal part of the tax credits system. This is because tax credits entitlement is not decided until a final decision is made, usually after the end of the tax year for which the award has been given. This means you can have been paid more, or less, tax credits ...