Required documents for a O-2 Visa? The following documents are required for an O-2…

How long can I stay in the U.S. on O-2 work visa?

You may stay in the United States on an O-2 visa for up to three years if it is decided that your presence is required to help the O-1 principal in completing the event or activity. You may be admitted to the United States for the duration of the O-2 visa validity term, plus up to ten days before and after the validity period begins and ends.