1st if he is over the age of 17 his parents did not receive $500 dollars for him. And I think something is wrong if he hasn't received a check yet. If his tax file has been accepted by the IRS then they use that information to send out a stimulus check as well. this is separate from the tax filing and the stimulus check is sent based on the exact information provided on form 1040. When searching you also must be exact and also confirm your banking information.
