Green Card Category Codes:
| C20 | Child of an alien classified as C24 or C29 - conditional. |
| C21 | Spouse of a lawful permanent resident alien (subject to country limitations) - conditional. |
| C22 | Stepchild (under 21 years of age) of a lawful permanent resident alien (subject to country limitations) - conditional. |
| C23 | Child of an alien classified as C21, C22, C26, or C27 (subject to country limitations) - conditional. |
| C24 | Unmarried son or daughter (21 years of age or older) who is a stepchild of a lawful permanent resident alien (subject to country limitations) - conditional. |
| C25 | Child of an alien classified as C24 or C29 - conditional. |
| C26 | Spouse of a lawful permanent resident alien (subject to country limitations) - conditional. |
| C27 | Stepchild (under 21 years of age) of a lawful permanent resident alien (subject to country limitations) - conditional. |
| C28 | Child of an alien classified as C21, C22, C26, or C27 (subject to country limitations) - conditional. |
| C29 | Unmarried son or daughter (21 years of age or older) who is a stepchild of a lawful permanent resident alien (subject to country limitations) - conditional. |
| C31 | Married son or daughter who is a stepchild of a U.S. citizen - conditional. |
| C32 | Spouse of an alien classified as C31 or C36 - conditional. |
| C33 | Child of an alien classified as C31 or C36 - conditional. |
| C36 | Married son or daughter who is a stepchild of a U.S. citizen - conditional. |
| C37 | Spouse of an alien classified as C31 or C36 - conditional. |
| C38 | Child of an alien classified as C31 or C36 - conditional. |
| CF1 | Alien whose record of admission is created upon the conclusion of a valid marriage contract after entering as a fiance or fiancee of a U.S. citizen - conditional. |
| CF2 | Minor stepchild of an alien classified as CF1 - conditional. |
| CR1 | Spouse of a U.S. citizen - conditional. |
| CR2 | Stepchild of a U.S. citizen - conditional. |
| CR6 | Spouse of a U.S. citizen - conditional. |
| CR7 | Stepchild of a U.S. citizen - conditional. |
| CX1 | Spouse of a lawful permanent resident alien (exempt from country limitations)- conditional. |
| CX2 | Stepchild (under 21 years of age) of a lawful permanent resident alien (exempt from country limitations) - conditional. |
| CX3 | Child of an alien classified as CX2 or CX7 (exempt from country limitations) - conditional. |
| CX6 | Spouse of a lawful permanent resident alien (exempt from country limitations)- conditional. |
| CX7 | Stepchild (under 21 years of age) of a lawful permanent resident alien (exempt from country limitations) - conditional. |
| CX8 | Child of an alien classified as CX2 or CX7 (exempt from country limitations) - conditional. |
| E10 | Child of a priority worker classified as E11, E16, E12, E17, E13, or E18. |
| E11 | Priority worker - alien with extraordinary ability. |
| E12 | Priority worker - outstanding professor or researcher. |
| E13 | Priority worker - certain multinational executive or manager. |
| E14 | Spouse of a priority worker classified as E11, E16, E12, E17, E13, or E18. |
| E15 | Child of a priority worker classified as E11, E16, E12, E17, E13, or E18. |
| E16 | Priority worker - alien with extraordinary ability. |
| E17 | Priority worker - outstanding professor or researcher. |
| E18 | Priority worker - certain multinational executive or manager. |
| E19 | Spouse of a priority worker classified as E11, E16, E12, E17, E13, or E18. |
| E21 | Professional holding an advanced degree or of exceptional ability. |
| E22 | Spouse of an alien classified as E21 or E26. |
| E23 | Child of an alien classified as E21 or E26. |
| E26 | Professional holding an advanced degree or of exceptional ability. |
| E27 | Spouse of an alien classified as E21 or E26. |
| E28 | Child of an alien classified as E21 or E26. |
| E30 | Child of a skilled worker or professional classified as E31, E36, E32, or E37. |
| E31 | Alien who is a skilled worker. |
| E32 | Professional who holds a baccalaureate degree or who is a member of a profession. |
| E34 | Spouse of a skilled worker or professional classified as E31, E36, E32, or E37. |
| E35 | Child of a skilled worker or professional classified as E31, E36, E32, or E37. |
| E36 | Alien who is a skilled worker. |
| E37 | Professional who holds a baccalaureate degree or who is a member of a profession. |
| E39 | Spouse of a skilled worker or professional classified as E31, E36, E32, or E37. |
| EW0 | Child of an alien classified as EW3 or EW8. |
| EW3 | Other worker performing unskilled labor, not of a temporary or seasonal nature, for which qualified workers are not available in the United States. |
| EW4 | Spouse of an alien classified as EW3 or EW8. |
| EW5 | Child of an alien classified as EW3 or EW8. |
| EW8 | Other worker performing unskilled labor, not of a temporary or seasonal nature, for which qualified workers are not available in the United States. |
| EW9 | Spouse of an alien classified as EW3 or EW8. |
| F11 | Unmarried son or daughter of a U.S. citizen. |
| F12 | Child of an alien classified as F11 or F16. |
| F16 | Unmarried son or daughter of a U.S. citizen. |
| F17 | Child of an alien classified as F11 or F16. |
| F20 | Child of an alien classified as F24 or F29 (subject to country limitations). |
| F21 | Spouse of a lawful permanent resident alien (subject to country limitations). |
| F22 | Child (under 21 years of age) of a lawful permanent resident alien (subject to country limitations). |
| F23 | Child of an alien classified as F21 or F26 (subject to country limitations). |
| F24 | Unmarried son or daughter (21 years of age or older) of a lawful permanent resident alien (subject to country limitations). |
| F25 | Child of an alien classified as F24 or F29 (subject to country limitations). |
| F26 | Spouse of a lawful permanent resident alien (subject to country limitations). |
| F27 | Child (under 21 years of age) of a lawful permanent resident alien (subject to country limitations). |
| F28 | Child of an alien classified as F21 or F26 (subject to country limitations). |
| F29 | Unmarried son or daughter (21 years of age or older) of a lawful permanent resident alien (subject to country limitations). |
| F31 | Married son or daughter of a U.S. citizen. |
| F32 | Spouse of an alien classified as F31 or F36. |
| F33 | Child of an alien classified as F31 or F36. |
| F36 | Married son or daughter of a U.S. citizen. |
| F37 | Spouse of an alien classified as F31 or F36. |
| F38 | Child of an alien classified as F31 or F36. |
| F41 | Brother or sister of a U.S. citizen. |
| F42 | Spouse of an alien classified as F41 or F46. |
| F43 | Child of an alien classified as F41 or F46. |
| F46 | Brother or sister of a U.S. citizen. |
| F47 | Spouse of an alien classified as F41 or F46. |
| F48 | Child of an alien classified as F41 or F46. |
| FX1 | Spouse of a lawful permanent resident alien (exempt from country limitations). |
| FX2 | Child (under 21 years of age) of a lawful permanent resident alien (exempt from country limitations). |
| FX3 | Child of an alien classified as FX1, FX2, FX7, or FX8 (exempt from country limitations). |
| FX6 | Spouse of a lawful permanent resident alien (exempt from country limitations). |
| FX7 | Child (under 21 years of age) of a lawful permanent resident alien (exempt from country limitations). |
| FX8 | Child of an alien classified as FX1, FX2, FX7, or FX8 (exempt from country limitations). |
| IF1 | Alien whose record of admission is created upon the conclusion of a valid marriage contract after entering as a fiance or fiancee of a U.S. citizen. |
| IF2 | Minor child of an alien classified as IF1. |
| IR0 | Parent of a U.S. citizen. |
| IR1 | Spouse of a U.S. citizen. |
| IR2 | Child of a U.S. citizen. |
| IR3 | Orphan adopted abroad by a U.S. citizen. |
| IR4 | Orphan to be adopted by a U.S. citizen. |
| IR5 | Parent of a U.S. citizen. |
| IR6 | Spouse of a U.S. citizen. |
| IR7 | Child of a U.S. citizen. |
| IR8 | Orphan adopted abroad by a U.S. citizen. |
| IR9 | Orphan to be adopted by a U.S. citizen. |
| NA3 | Child born during the temporary visit abroad of a mother who is a lawful permanent resident alien or national of the United States. |
| XE3 | Child born subsequent to the issuance of a visa. Parent is employment-based preference immigrant. |
| XF3 | Child born subsequent to the issuance of a visa. Parent is a family-based preference immigrant. |
| XR3 | Child born subsequent to the issuance of a visa. Parent is an immediate relative immigrant. |
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