Am I legally obligated to be present for COVID-19 testing at work while on vacation?

Moving question to employment law as not an immigration question

Can I continue to work when my H1 Extension application is filed with expired I-94?

Employment is permitted for up to 240 days based on a timely filed extension application.

Can non-immigrant(student f1 visa) change name after marriage with US citizen ( but before apply for green card ) in Florida ?

You can change the name at the time of the marriage or after the marriage in the Local court system or at the time of naturalization.

What document requires for change name after marriage in Florida 2020 ?

The name may have been changed at the time of marriage. If not then you may change the name in the local court system or wait for naturalization.

I got laid off due to COVID-19 and I am on H1B w/ Approved I140. What are my options if I do not get a job within the 60 days ?

The F2 requires nine in French intent and you may have difficulty but that appears to be your best option.

File where you reside. Don’t move for the purpose of filing. Often the new location is not faster.

File for extension do not risk your daughter going out of status. Concurrently file for passport renewal using the old passport for the filing of...

Look at the back of the canceled check if it has been canceled for the Immigration file number. H-4 filing receipts have been delayed.

Based on your question if you have a 90 day visa I assume it is ESTS not a visa. If it is ESTA there is a very limited number possibilities for...

Once you obtain lawful permanent resident status (green card) you are no longer in H1B status. You are permitted to continue employment or seek...