The Qualified Child Payment is a social welfare payment in Ireland that provides financial support to families with children. However, the search results did not provide any information about the Qualified Child Payment. Instead, the search results provided information about the Child Tax Credit in the United States and the Increase for a Qualified Child (IQC) in Ireland. The Child Tax Credit is a tax benefit in the United States that helps families with qualifying children get a tax break. The IQC is an extra amount paid to people who receive certain social welfare payments in Ireland to help with the cost of children.