Under the various employment based categories, Category I based permanent residency is the most difficult to obtain. Initially, the foreign national must determine if he/she is eligible for lawful permanent residency according to the USCIS guidelines.
An applicant filing an EB1 alien of extraordinary ability application may self-petition, but an applicant filing under outstanding researcher and/or professor and multinational manager must have a sponsoring employer.
One of the ways a foreign national (alien) can become a permanent resident is through a permanent employment opportunity in the United States. There are five employment-based preference categories.
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