Definition
F2B Preference
Family-based: unmarried sons and daughters (21+) of lawful permanent residents.
F2B covers adult unmarried children of LPRs. Because LPRs cannot sponsor married children or siblings at all, F2B is the only path for adult unmarried children whose parent is not yet a U.S. citizen.
See also
More immigration terms
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F3 Preference
Family-based: married sons and daughters of U.S. citizens.
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F4 Preference
Family-based: brothers and sisters of adult U.S. citizens.
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Federal Bureau of Investigation
The U.S. law enforcement agency that conducts background checks for USCIS cases.
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Fee Waiver
A waiver of USCIS filing fees for low-income applicants who file Form I-912.
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Final Action Date
The Visa Bulletin cutoff for when a green card can actually be issued.
Not legal advice. Definitions are provided for educational use. For case-specific guidance, consult a licensed immigration attorney.