An "Outstanding Researcher or Professor" EB-1B immigrant visa is for aliens who are internationally recognized as outstanding in a particular scientific or scholarly field. Unlike self-petitioned EB-1A cases, EB-1B cases are employer sponsored.

An Alien of Extraordinary Ability, or EB-1A, classification applies to aliens who can demonstrate that they "have risen to the very top of their field of endeavor."

An EB-2 petition is an employment-based 2nd preference petition for a foreign professional with an advanced degree or its equivalent (master degree or higher), or a foreign national who has exceptional ability in the sciences, arts, or business. In some i

Supervised recruitment may be ordered by the Certifying Officer (CO) at the DOL in place of a denial, either after receipt of an unsatisfactory audit response, or when an employer has previously failed to adequately respond to an audit letter.