Labor Certification Application.
Immigrant Petition (Form I-140)
Adjustment of Status or Consular Processing assistance.
First preference (F1) - unmarried sons and daughters (21 years of age and older) of U.S. citizens;
Second preference (F2A) - spouses and children (unmarried and under 21 years of age) of lawful permanent residents;
Second preference (F2B) - unmarried sons and daughters (21 years of age and older) of lawful permanent residents;
Third preference (F3) - married sons and daughters of U.S. citizens; and
Fourth preference (F4) - brothers and sisters of U.S. citizens (if the U.S. citizen is 21 years of age and older).