• The original labor certification obtained by the employer.

• Form I-140 – Petition for an Immigrant Worker submitted by the employer.

• Federal tax returns, financial statements or annual reports showing that the employer can pay the wage offered to the employee.

• Official academic records of the employee, such as diplomas and transcripts.

• Letters from previous employers proving the work experience.

• Letters from trainers proving the training received.

• The employee's passport that is valid for six months beyond the period of their intended stay in the United States.

• Form I-485 Application to Register Permanent Residence or Adjust Status

• Biographic Information of the employee

• Non-immigrant Arrival/Departure Record (I-94)

• Medical Examination report

• Employment Authorization/Work Permit (if necessary)

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Evidence depending on the original visa type (H-1B, L-1A, O-1, etc.):

• Evidence that the U.S. employer has been doing business for at least one year before the application.

• Evidence and a cover letter that describes the Name of the foreign employer, Position offered in the U.S., Position held abroad, Years of employment, Date transferred to the U.S., if applicable, and Claimed relationship between the foreign employer and the U.S. petitioner (affiliate, subsidiary, joint venture, etc.)

• The relevant evidence for each individual regulatory criterion the beneficiary is attempting to satisfy.

• Evidence that the beneficiary has at least three years of experience in teaching and/or research in the academic field (if applicable).

• A copy of the petitioner's actual job offer issued to the beneficiary. This letter or contract must include the job title, terms, and conditions of the position offered.
   

The list may vary depending on each individual case, you may be requested only one of the documents listed above or you might be requested additional documents.

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