I came to the US on a student visa and I obtained a work permit at that time, so that I could work off-campus. I received an alien registration number along with my work permit. Subsequently, I finished school, and I successfully applied to stay in the States on an O1 visa. The visa doesn't have an a-number printed on it. Now I am applying for a green card. The I-485 application asks me for my a-number. Do I enter the number from my work permit, even though it is expired? Or, on the other hand, do I leave the field blank, as I would do if I were here only under the O1?
You will be assigned a different A number based on you AOS application. Therefore, you may leave it blank. However, if you are applying for the I-765 as an additional benefit of the I-485 application, you should input the details from the previous EAD as asked in the I-765 application.
You only enter that work-permit specific "A" number you received on the I-765 you'll file EAD application you'll file alongside your I-485. That number has no real value since it was only given to you for EAD purposes. The fact that it's now long since expred is irrelevant - not it would have made any difference if it were still valid - USCIS will now assign you a brand new "A" number which you will keep on your green card, as well as on your Certificate of Naturalization once obtain US citizenship. Thus, for now leave the boxes where you are being asked about an A number blank, except on the I-765.
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.
I always put the old number ... even if CIS changes it.
PS: Meeting with an attorney is a very, very, wise move.
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.
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