My son is on H4 visa and why he is not getting child tax credit?

[rangam2002]

Also, my daughter is 20 years but we paid all her expenses..why she is not qualify for child tax credit?

[AmandaR1]

That's correct because your daughter is over age 17, she doesn't qualify for the child tax credit. Additionally, your son must be considered U.S. citizen, a U.S. national or a U.S. resident alien, for tax purposes.

You can learn more about this at the following TurboTax article HERE.