Sara32

yes that is correct. 
Yes some forms do ask for both physical and mailing address for instance form i-131 and some others. 

Thank you very much for your answer. Is there any file or website where I can find step-by-step instructions for filing?
Or any advocate who can check my document once everything is all completed by me? I don’t know anything about the process and am really in need of help.
I called some non profit lawyers and they told me they would contact me after six weeks.
Thank you for your answer. You really helped me a lot.