Can I change my joint sponser of affidavit of support ?

If the case has not been approved yet, then yes you can substitute sponsors. If approved you cannot change the sponsor and their obligations to you.

Yes you can leave at any time. It would be advisable to file a change of address with USCIS so that they can send you correspondence at your...

Do I need to maintain my student status after filed form I-485 ?

It is always advisable to maintain your current immigration status even while a petition is pending.

What is i 864?

Form I864, affidavit of support, is a required immigration form to prove that you meet the minimum requirements to petition for an immigrant to...

This would depend on the factors for an annulment in your state. Consult with a family law attorney for further guidance.

What are my chances for a j2 visa ?

You should show evidence of your marriage, proof of ties to your home country so that you will return after your visit, and basis for your entry...

What is my chances of getting a j2 visa ?

I agree with my colleagues about the nature of questions that will be asked - the nature of your relationship, the basis for your entry, the ties...

I need a non immigrant waiver?

Yes you can't prepare it beforehand and present at the time of interview if the consulate allows.

IIf I plan to go back to my country vietnam for 2week with my green card do i need reenter permit ?

For a 2 week departure from the US you should not need a reentry permit - only a valid green card and passport.

She should contact the embassy with her request and possibly submit a letter of denial and cancellation of interview. Consult with an attorney for...