J1 visa don't pay Federal tax, SSN or Medicare. In many states, J1 don't pay state tax either. But J1 cannot change to other visa type unless get waiver. Some employers insists to deduct, but they can get all the money back.
J2, spouse of J1 can work in USA, pay all tax. File 1040nr.
F1 in general cannot work outside campus. Cannot work pass certain hours. File 1040nr.
F2, spouse of F1 cannot work in USA.
There are other type of vise, many cannot work in USA.
J2, spouse of J1 can work in USA, pay all tax. File 1040nr.
F1 in general cannot work outside campus. Cannot work pass certain hours. File 1040nr.
F2, spouse of F1 cannot work in USA.
There are other type of vise, many cannot work in USA.