Yes. Because the taxpayer claimed their child on their 2020 tax return, the IRS will automatically issue the advance payments to them. When they file their 2021 tax return, they may have to pay back the payments over the amount of the credit they're entitled to claim.
https://www.irs.gov/newsroom/heres-how-a-taxpayers-custody-situation-may-af[product key removed]ce-c...
