Is working between expiration of OPT and new employment authorization allowed if I applied when OPT was valid?

You are not legally allowed to work unless you have a valid employment authorization in you possession. A pending application is not sufficient.

Can i use external investors in EB5 ?

Yes, you can use other investors, but your investment will still need to be $1,000,000 or $500,000 if the investment is located in a “targeted...

Is it possible to sponsor my father even though we thought he was dead for 10 years ?

If your parents were not married when you were born, you may have to prove a father/daughter relationship when you were young. May also have to...

Of course you can get married. Might have to go outside Wake County. Las Vegas, Nevada would probably not insist on the groom having a valid...

You may want to call the National Service number on Monday. https://www.uscis.gov/about-us/contact-us/national-customer-service-center There...

Do I need to pay for the application fee for the resubmission of I-765?

Should not have to pay fee. When you resubmit, you may want to include the fee receipt for I 485 and indicate that the I 775 was submitted...

Can I do a free concert if entering the US on a tourist visa?

In view of the different answers, it might be a good idea to engage an attorney to research the question.

1. What should I respond to Immigration question - “Have you ever been arrested or detained or convicted?".

Provide complete details about incident.

Will switching jobs jeopardize my green card & subsequent naturalization?

No minimum. The important thing is that you had the intention to work for the employer you sponsored you when you recieved your green card. If...

I have immigration court about overstayed. I want to apply for Asylum at the court day ?

Please see attached link regarding where the application must be filed.