Our PDF guide to self-employment supplements the information in this self-employment section.

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.

Tax credits are worked out using yearly rates and yearly income figures. We explain how disregards work, which year’s income is used, what to do if the estimate is wrong and what to do when your income changes.

The amount and type of income you have will affect how much tax credits you might get. The rules are the same for child tax credit, working tax credit or both. This page explains what counts as income for tax credits.