Job Recruitment Website - Ranking of immigration countries - Everyone is talking about the timetable of American immigration, but I don't know what kind of immigrants they are. What do Table A and Table B mean?

Everyone is talking about the timetable of American immigration, but I don't know what kind of immigrants they are. What do Table A and Table B mean?

Because if you want to immigrate to the United States, you must involve the immigration schedule of the United States, especially the relative immigrants and professional immigrants in the United States. The immigration schedule of the United States is indeed in Table A and Table B, respectively, but they are different. Schedule a refers to the date when the green card can be issued; Schedule B refers to the earliest date when the green card application form can be submitted. Please eat more if you don't understand /p/4935606847.