An immigrant visa (lawful permanent residence) is a foreign national who has been granted the privilege of living and working permanently in the United States. Immigrant visas to the United States are divided into two categories: (I) those who may obtain permanent residence visa status without numerical limitation, and (II) those subject to an annual limitation. The latter category is further divided into (A) family-sponsored, (B) employment-based. And USA Immigrant Visa Application Process, rescheduling appointments.