Job Recruitment Website - Ranking of immigration countries - No supplementary materials are required for US visa 221G.

No supplementary materials are required for US visa 221G.

No supplementary materials are needed. No supplementary materials are required for US visa 221G. You can get your social security number after you get an immigrant visa in the United States, and you can apply for a green card after one year in the United States. The green card you get within about one year after applying means that you have permanent residency in the United States. After three years and nine months of green card, you can apply for the naturalization test, and you can be officially naturalized in the United States.