Revisit the entry in the "My Info, Your household" section. Make sure all the interview screens have been completed accurately:
- Navigate to My Info, Your household, select your son
- Choose "My child", continue and be sure his name, date of birth and proper citizenship is complete.
- Continue, and answer the question about living arrangements and parents.
- Continue, and answer any less common situations. Here, make sure "was a full-time student in 2024" is checked.
- Lastly, enter the child's SSN and be sure that "Not valid for employment is printed..." is NOT checked.
Also, he will not qualify for the child tax credit, but he may qualify for the $500 credit for other dependents, if he is a dependent.
Here is some more detailed information: Rules for Claiming Dependents on Taxes