Travel to US - will I be permitted

Sadly, you are explicitly subject to the H, J & L visa travel ban of June 22, as you were outside the United States on the date of the proclamation...

Filing H1 extension AFTER I797 / I-94 expiry?

Sounds like you & the employer need to consult with a lawyer in a private and confidential setting, ASAP. First, it is not July 15th yet, so if she...

H1 to H4 COS online I-539?

There is a whole lot of missing factual information here: she can file the I-539 either online or on paper, but she must file with documentary...

Can I leave USA before a decision is made for my i94 extension (i539) application?

Yes, but keep the I-539 receipt notice, so that you have proof of a timely-filed extension request.

No. Any application or petition for a change of status to a lawful, work-authorized temporary (nonimmigrant) visa status can only be filed with...

Will a previous J1 now going on dependant J2 have to redo a waiver when the primary J1 finishes his/her J1 program?

Yes. If your husband gets a J2 as your dependent while you are in a medical residency subject to 212e, then BOTH of you are subject to the 2-yr...

Should I invoke AC21 for an internal position or wait till I get my GC especially in the current situation?

I would only want to evaluate this scenario offline in a private & confidential setting, looking at the level of risk of the internal transfer: Are...

If you entered the US in visitor visa status, then the maximum increment you can request for an extension of stay is 6 months. If you are required...

IF your H1B visa stamp for the old employer remains valid AND you get an I-797 Notice of Approval for a different job with a new H1B employer, then...

No, that's off-campus employment & is unauthorized - even if you do it online from your dorm room.