These are the documents that you will need. *** H1B To H1B *** 1. Original I-797 2. Copy of LCA (Labor Condition Application) 3. Copy of I-129, certified by your lawyer or company 4. Current employment letter from your company Human resources, stating your position with the company, date of employment and salary information. 5. Original degree and transcripts 6. Passport with I-94. Passport must be valid for at least 6 months. 7. EAD card (Employment Authorization Document) 8. Recent check stubs 9. DS156 application form with one passport size photo (Two DS156 and two photos for following countries: Cuba, North Korea, People's Republic of China, Russia and Vietnam.) 10. Appointment letter for visa (If you don't have the appointment letter, reference number is OK. 11. Federal and State Tax return and W-2 forms. 12. Information from previous employment *** F1 To H1B *** 1. Offer letter from your employer stating date of employment and salary information. 2. Original degree and transcripts 3. Passport with I-94. Passport must be valid for at least 6 months. 4. EAD card (Employment Authorization Document) 5. DS156 application form with one passport size photo (Two DSF156 and two photos for following countries: Cuba, North Korea, People's Republic of China, Russia and Vietnam.) 6. Appointment letter for visa (If you don't have the appointment letter, reference number is OK. 7. I-20 8. Federal and State Tax return and W-2 forms. 9. Company information if available, type in a great quote from the journal that lifts the profile of your company and products.