I’m a Canadian on TN visa. Can I renew my TN at the Mexican border? I received my current TN at the Canadian border.

Yes, you can or you can file for an extension with CIS and not go anywhere.

Should I attend my i485 interview employment based if assigned in my previous state of residence?

You just need to go to whichever interview you get and explain everything that happened.

Yes, that should be ok. It is a very grey area that the Service’s employment definition does address clearly.

Would re-entry permit card break continuous residence?

I believe this has already been answered. Re-entry permits have no impact on the residency and physical presence for Natz cases. They are only...

My work permit expired after I did my green card interview. How can I work legally?

You should have filed for an EAD six months ago. That is only way you can could have worked now.

CSPA cannot be used in this manner. It can only be used when the beneficiary ages completely out of the case; not when turning 21 simply moves the...

Adjustment of status reciept

You cannot be a derivative unless you were married at the time he submitted his lottery application.

Need to know the next steps of getting legally separated for international marriage

There is no "separation" under Texas law, you are either married or divorced. As for the problems in India, that has nothing to do with the US and...

Can i have a new social security number?

You can email the SSA and they will provide your number. I think.

Can I switch jobs, with H1B approval notice for consulate processing, before getting H1B stamped?

You cannot work in the new job unless the case included an extension of status. Why in the world was it filed as a notify case?