Documents you need to obtain for Visa:
Please obtain the original documents or certified copies from an appropriate authority (the issuing entity) for yourself and each family member who will accompany you to the United States. All documents that pertain to you petition are required, even if they were previously submitted to teh INS with your petition.
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Info required for H1-B

Information/Documents needed for L-1 Petition

Appointment form

Credit Card Fax Form