What kinds of green cards are there in America? What letters or numbers do they start with? thank you

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 applying for permanent residence status in the United States, which limits the ways for such people to obtain permanent residence to some extent. ?

2. apply for a green card for a class l visa?

Holders of American L- 1 visas can apply to the Immigration Bureau according to the first priority category among professional immigrants, without applying for a labor card from the Ministry of Labor. Immigration procedures and processes are simple and the time required is much faster. ?

L- 1 visa belongs to the manager or senior manager of a branch or other type of company established by a foreign company in the United States. Generally speaking, as long as this American branch has been operating continuously for more than one year, it can apply for a green card for L- 1 visa holders, including managers of foreign parent companies.

Extended data:

The legal permanent residency of green card holders is an official immigration benefit, including conditional permission to stay in the United States and get a job. The holder must maintain his permanent resident status, and if he no longer meets certain conditions required by the status, the holder may lose his status.

The official name of the green card is "permanent resident card" (form I-55 1). The name "green card" comes from its predecessor, the "alien registration receiving card" introduced at the end of World War II (Form I-55 1).

According to American citizenship and immigration law, green card holders are foreigners who have neither American citizenship nor American citizenship. However, in the United States, they basically enjoy the same treatment as their nationals, but they have no right to vote and stand for election.

References:

Baidu Encyclopedia-American Permanent Resident Card