Your foreign relative requires an immigrant visa to enter the United States. Is your foreign relative eligible to apply for an immigrant visa?
What are the Requirements to Obtain an Immigrant Visa?
U.S. Citizen or Permanent Resident Alien
The person filing the petition must be a United States citizen either by birth or naturalization or a permanent resident of the United States.
There is a legally recognized family relationship between the petitioner and foreign relative.
The person filing the petition must be able to demonstrate that s/he can financially support their foreign relative, that they fulfill the minimum financial support requirements or that they have a co-sponsor who does.
Your foreign relative has not committed certain crimes.