What are my possibilites to take another traineeship in the US if I already took one with a J1 visa?

You are not permitted to take the trainee program as a non-immigrant visitor. Check with the program sponsor as to your eligibility to apply.

Do I accrue overstay if I leave USA right after my I-539 change-of-status is denied?

Without knowing the reason for the denial it is difficult to determine from your facts when you would be considered out of status. Immigration does...

Can I get married to a U.S. citizen in the U.S. without any trouble?

Yes you may marry and your US citizen spouse may file a visa petition for you and you may file for adjustment status in United States you do have...

Traveling to Mexico for new I-94 for H1?

The period of admission to United States is at the discretion of the CBP officer. The officer may grant the full-time or something less. In most...

Regarding latest travel ban that has been accepted by the supreme court, what willbe happened for the case I applied for my mom?

As my colleagues indicated if your mother is in United States there is no impact. If she is overseas there is a waiver available if needed.

How long does a lone i212 wavier take for non-immigrants? And where should it be filled

For filing instructions see the US CIS website for the form. Recommend that you work with a US immigration attorney

Is it necessary to disclose bank account and social security numbers to sponsor an immigrant ?

The Social Security number will need to be disclosed but not the bank accounts.

There is one less issue to prove filing under the five-year rule. Recommend if you have a choice that the filing be under the five-year rule.

I am asylum skeer my family in South Korea can i visit them and come back again in US I have SS number and EAD . ?

Asylum applicants should not return to the country from which they are seeking asylum without a very real probability that the asylum application...

Running payroll after I-94 expiry

US employers are permitted under Immigration rules to employ foreign nationals outside the United States.