DOB in Birth Certificate and Passport are different

Unmol_Ratan

Registered Users (C)
Guys,
My DOB in birth certificate is 6/24/xx but in all passoports and all other documents I fill out is 6/21/xx. The one is the birth certificate is the correct one. I will be getting one affadavit anyways. What elese can I do to make sure this does not become an issue with the USCIS and how can I expalin to the USCIS why the dates are deifferent and why I have used the incorrect one since childhood when I myself don't know?
Thanks
 
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