In Conditionals^x, Formal letters^x

Hi :)I am typing a formal letter and I am confused as to which tense I should use:"We look forward to receiving your confirmation that the application is / has been withdrawn."I am also confused about the structure - is it considered some kind of reported speech, or conditionals, or...

I found your website from google. I take a look at your writting section and found that they are very heplful. Below is my formal letter to US Citizenship and Immigration Service. I need somebody helps with grammatical and wording. It quite long, please take your time. Thank you very...