Final answer:
The dependent not meeting the requirement of living with Matt and Heather for more than half of the year would prevent them from claiming the child tax credit in tax year 2022.
Step-by-step explanation:
The dependent not meeting the requirement of living with Matt and Heather for more than half of the year would prevent them from claiming the child tax credit in tax year 2022. In order to claim the child tax credit, the dependent must have lived with the taxpayer for more than half of the year. This is an important requirement to determine if the taxpayer has a qualifying child for the purposes of the child tax credit.