" If a child was born or adopted into your family in 2020 and therefore not listed on your 2019 tax return, you can claim them on your 2020 tax return to get the $500 dependent stimulus payment from the CARES Act sometime in 2021. This would likely be the case should a second stimulus check be approved as well." (cnet.com)
Treasury Secretary Steven Mnuchin (IRS) 에 의하면, "2020 년도에 태어난 아기는 지난 1차 경기부양금 $500과 이번에 통과된 경기부양금 $600을 내년 세금보고때 받을 수 있다"고 나오네요.
https://www.irs.gov/newsroom/recovery-rebate-credit <- - -참조하세요.