Getting a denial letter is frustrating, but don’t panic. You have exactly 60...

https://alpha-wiki.win/index.php/The_Masking_Trap:_How_to_Explain_Your_%22Crash%22_to_the_Social_Security_Administration

Getting a denial letter is frustrating, but don’t panic. You have exactly 60 days to file for Reconsideration using form SSA-561