Can I do volunteer work while I am waiting for my work authorization? Yes, non-U.S. citizens are permitted to perform volunteer work without needing any work authorization. Related articles What if the beneficiary wants to change their name after marriage, do they need to update all their other documents? Do I need to be present at the consulate with my spouse at the time of interview? If I already have a social security number, will USCIS issue me a new one for my green card? How do I contact USCIS by phone? Can I travel outside of the United States before my green card arrives?