How long is the O-3 visa valid? Because the O-3 visa is a dependents…

Most important documents for a O Visa?

O Visa applicants must provide the following documents in order for their application to be processed: a valid passport, a 2×2 inch photograph of yourself, a completed Form I-129 Petition for a Non-Immigrant Worker, a petitioner who can be either an employer or an agent, a copy of the employment contract, recommendations from experts in your field, and proof of your extraordinary skills in the sense of “sustained national or international acclaim.”