After you file

Update - received our notice and it states that there is a miscalculation in our recovery rebate credit. But I know this is incorrect. Our refund is short exactly $1100, which is what we should receive for our 2020 baby. 

I called the IRS, first person said 2020 babies are not eligible for the 1st and 2nd stimulus payments, but that goes against every bit of information previously sent out. That person transferred me to another department that could look further into my account and after half an hour I was hung up on. How can we fix this issue if we can’t even speak to someone that can help us? Do I file an amendment? Ugh!