- Immediate Relatives OF US CITIZENS: spouse, children (under 21), and parents can obtain visa number immediately on the day they filed for petition.
- F1: this category is for unmarried sons and daughter of USC who is 21 or older.
- F2A: this category is for spouse and children of LPR
- F2B: this category is for unmarried Sons and Daughters of LPR.
- F3: this category is for married sons and daughters of USC
- F4: this category is for Brother and sister of USC