Once the petition has been approved by USCIS, and you are in possession of a Notice of Action, Form I-797 or a petition receipt number, you can apply for an O1B visa through your nearest US Embassy or Consulate. You will need to complete Form DS-160, Online Nonimmigrant Visa Applicatio...
ForUSCISUseOnly ReceiptReturned Resubmitted RelocSent RelocRec'd Applicant Interviewed SectionofLaw Sec.209(a),INA Sec.209(b),INA Sec.13,Actof9/11/57 Sec.245,INA Sec.249,INA Sec.1Actof11/2/66 Sec.2Actof11/2/66 Other CountryChargeable ...