Evidence that may be submitted in support of an O1 visa petition includes, but is not limited to evidence that: the alien has performed, or will perform in as lead in a production with a distinguished reputation; evidence that the alien has a national or international reputation; evidence that the alien has received critical acclaim, or evidence that the alien commands a high salary. Before an O1 or O2 visa can be approved, the employer petitioner must obtain a written advisory opinion from the appropriate peer group.
Evidence includes, but is not limited to: that the alien has received a national or international prize, evidence that the alien is a member in an organization that requires outstanding achievement among its members; evidence that the alien has published material in a major trade publication; or evidecne that the person has been employed by organizations and establishments with a distinguished reputation. Before an O1 or O2 visa can be approved, the employer petitioner must obtain a written advisory opinion from the appropriate peer or labor or management group
O1 visas are valid for three years, with extensions granted in one year increments. O2 visas must be of the same duration of the O1 visa, as the O2 visa is tied to the O1.
Yes. Spouses and unmarried children under the age of twenty-one may be admitted in O3 status. The O3 visa is granted for the same duration as the O1/O2.