I have been fired because my green vatd has expired.

The difficulty in your case is that your employer is also attempting to comply with the law of employer sanctions. The employer’s human resources section (assuming it has one) must continue to verify employment eligibility and an expired green card is not one on the list of acceptable documents to the U. S. government. I do note that a foreign passport that contains a temporary I-551 stamp of permanent residence is acceptable. I suggest that you arrange an Infopass with your local U.S.C.I.S. field office in which you can present your entire situation along with proof that you already filed for a replacement green card. An officer may decide to stamp an I-551 in your passport which should be good enough for your company’s human resources section if the company wishes to rehire you. Due to the limitations of the Lawyers.com Forums, Alan Lee, Esq.'s (the "Firm") participation in responding to questions posted herein does not constitute legal advice, nor legal representation of the person or entity posting a question. No Attorney/Client relationship is or shall be construed to be created hereby. The information provided herein by the Firm is general, and requires that the poster obtain specific legal advice from an attorney. The poster shall not rely upon the information provided herein as legal advice nor as the basis for making any decisions of legal consequence.