You can appeal based upon anything you believe may help; but I am skeptical that, even if they accept that this was an honest mistake, you'll be able to avoid the consequent period of ineligibility. I suggest working with an immigration lawyer.
You can appeal based upon anything you believe may help; but I am skeptical that, even if they accept that this was an honest mistake, you'll be able to avoid the consequent period of ineligibility. I suggest working with an immigration lawyer.