He can come back anytime the visa is still valid. Just that the sooner he comes back, the more they may question his intent.

Should my fiance and I marry in the USA without waiting for our K1 visa to be approved?

Just do 130/485 here. K-1 will be denied since you got married. Should’ve gone back to Canada to continue processing. Can still do so if you don’t...

My I-94 expires on December 2014 ,but my H1 is valid til August 2015.. Do i have to go out of the country and re enter?

Your employer should file an H-1B extension before your H-1B expires. No need to get out of the country.

My wife doesn't want to go back to our home country even her H4 visa will be expiring soon.

If the H4 is not renewed, they’ll be out status.

Selected as the best answer

When is PD current to file i-486 ?

Depends on country. Changes also every month.

Today i done my fingerprints for citizenship n meanwhile i m traveling n no idea when come may b after 1 year so what should

You should get your interview soon. Just leave after you get your citizenship and US passport. Or if you leave, come back soon for your interview ,...

I-485 employment based, approval of daughter first

That’s fine. You should get yours soon.

I am waiting for naturalization interview but my Green card expired. Should I renew it ?

No need to. Just pass your exam and be a citizen.

Can an employee file H1B for me with expired F-1 visa

Quota is closed. Must be cap-exempt. Even so, the visa would have to be obtained abroad (the petition can still be filed). The D/S part may help...

How long does is it take to get mailed approval letter and also oath ceremony notice? What does receipt WACxxxxxxxx mean?

You should’ve gotten it by now if it was sent June 30.