No. normally it is only the last year's tax return that needs to be submitted.
Behar Intl. Counsel 619.234.5962 Kindly be advised that the answer above is only general in nature cannot be construed as legal advice, given that not enough facts are known. It is your responsibility to retain a lawyer to analyze the facts specific to your particular situation in order to give you specific advice. Specific answers will require cognizance of all pertinent facts about your case. Any answers offered on Avvo are of a general nature only, and are not meant to create an attorney-client relationship.
Mr. Behar is correct, you BOTH have to file a copy of last year's returns.
But, I always do the past 3 ... to show a stable employment history.
PROFESSOR OF IMMIGRATION LAW for over 10 years -- This blog posting is offered for informational purposes only. It does not constitute an attorney-client relationship. Also, keep in mind that this is an INTERNET BLOG. You should not rely on anything you read here to make decisions which impact on your life. Meet with an attorney, via Skype, or in person, to obtain competent personal and professional guidance.
My colleagues have answered your question correctly and completely. I recently published a legal guide on Avvo on the responsibilities of joint sponsors that you may want to read, if you like. Here is the link:
Lena Korial-Yonan, Esq.
It is not necessary. If USCIS needs more information you would hear from them.
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Contact (317) 660-6174 for specific legal advice. Answers here are not legal advice because they are of general nature and not tailored to your specific situation. You should not act on this answer without checking with an Immigration Attorney.