The sole purpose of the Form I-130 is for US citizens or lawful permanent residents of the United States to establish the relationship to their foreign fiancee or wife. Those who wish to immigrate to the United States. This for is used for either the K1 Visa, K2 Visa, K3 Visa or the CR1 Visa.
This is the Form I-130, which is also known as the Petition for Alien Relative. This immigration document is used by the USCIS by a US citizen or permanent resident to sponsor a wife or fiancee. They who are foreign nationals for immigration to the United States. The form is submitted to the USCIS and is used. To establish the relationship between you and your foreign wife or fiancee. Once the form is approved. Your wife or fiancee can then apply for an immigrant visa to enter the United States.
In all of these immigration examples you the American national or lawful permanent resident. You sponsor by submitting the Form I-130 to USCIS to start the immigration process for the following:
CR-1 Visa: The CR-1 visa which also known as a Conditional Residence visa. This is used for your spouse and married for less than two years.
IR-1 Visa: The IR-1 visa which is known as the immediate relative visa is used for your spouse. This if you are married for more than two years. This gives you wife unconditional permanent residency status.
K-1 Visa: This is a fiancee visa which allows your fiancee to enter the US so you can get married when she arrives.
K-3 Visa: The K-3 visa is used for the spouse your wife who is waiting outside the United States for approval to enter.
Note that the Form I-130 is a crucial document. This for individuals seeking to unite with their family members in the United States. This can be a foreign spouse or foreign fiancee. Then also for the minor children of your spouse or fiancee on the K2 visa and K4 visa.
I-130, Petition for Alien Relative
I-130, Petition for Alien Relative (Instruction)