Everything. Citizenship is important and seems simple. There are many potential problem areas that many people miss when filing on their own. Seriously consider consulting with a lawyer to make sure you are not one of those people.
First of all, are you sure you need to submit your tax return? If you do, then I would suggest that you submit the complete tax return.
You should consult with an experienced immigration attorney about your case, to ensure the best chance of success with your application, and to avoid potential problems.
(734) 369-3131. This communication does not establish and attorney-client relationship with the Law Office of Michael Carlin PLLC or any individual member of the office. Confidential information should not be sent through this form.
If submitting tax returns, then the entire tax return should be submitted.
Please be advised my answers to questions does not constitute legal advise and you should not rely on it, due to the fact that we have never met, I have not been aprised of the facts in you case nor have I reviewed any documents.