What are an American work visa and an American work permit? Are they important?

Visa is the key document to enter the United States. There are many kinds of visas in the United States, such as J 1 visa for exchange scholars, F 1 visa for students, and of course, work visa. And there are many kinds of work visas, and everyone's situation is different.

In order to protect the domestic labor market from the impact of immigration, the American government has formulated relevant provisions in the immigration law that some immigrants need to apply for work permits. Work permit, also known as work permit, is officially called "foreigner's work permit". Mainly for the second and third types of professional immigrants. In addition to the first priority, an American professional immigrant applicant must first find an employer in the United States, and then the employer will apply for a labor card for the labor department of his state and an H-IB work visa. After the labor card is approved, the employer will apply for a permanent resident visa for the applicant to the US Immigration Bureau.