I have had this issue before and let me just say they can hold it for a while i got my 2019 taxes a year after i filed them and then my 2020 taxes got held up f...
It took me a year to get my 2019 i did get a tax advocate because every time i cwlled the irs they always said it was under review but never said why then aroun...
If your on your third letter and no answer try getting your state representative to help or senator because when i did my 2019 tax return i kept getting letters...
When calling the irs press 1 for english then press 2 then 1 then 3 when it asks for your ssn dont put it in it will ask twice dont answer then it it will go on...
I got a tax advocate that helped me get my 2019 return because you could never get an answer from the irs all the y would ever say is were reviewing it now arou...