What are the requirements for applying for a green card in the United States?

Generally, if you want to apply for a green card in the United States, there are some prescribed and non-prescribed conditions, and of course there are some uncertainties. The stipulated conditions mainly refer to the relevant documents of American immigration policy. Generally speaking, you must have a doctorate or master's degree, have published some papers and periodicals, or have held some important positions and won some honors.

Some non-prescribed conditions, including whether there is a convincing recommendation letter and whether there is a simple and powerful application letter, will help you convince the immigration officer. And some uncertain factors are that the immigration officer will ask you some questions on the spot and give his own evaluation, which depends a little on personal preference. Therefore, applying for a green card requires sufficient immigration knowledge and complete relevant plans, and it also requires some luck.

For most students studying in the United States, in order to obtain a green card, the general practice is to find a job after studying in the United States, change their F- 1 student status to H- 1B employment status with their employers, and then apply for a work permit from the Ministry of Labor through their employers. After the work permit is approved, apply to the Immigration Bureau for immigration with the priority of the second kind of occupation. After the immigration application is passed, apply again.

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Visiting scholars with J- 1 visas to the United States must return to their own country to live and work for two years after completing the scheduled study and research projects in the United States before they can apply for permanent residence status in the United States, which limits the ways for such people to obtain permanent residence status to some extent.

Holders of American L-I visas can apply to the Immigration Bureau according to the first priority among professional immigrants, and do not need to apply for a labor card from the Ministry of Labor. Immigration procedures and processes are simple and the time required is much faster.