visa expire details

[ahmed9494]

i want to know after getting B1/B2 5 years multiple entry visa is there any restriction that i should give my first entry within one month or certain time.and one another thing is it necessary to visit after every 6 months to keep this visa valid
thanks

 

[newacct]

No. You can not use it the whole time and use it the day before it expires to enter the U.S. and it would be fine.

 

[Hexa]

The visa remains valid as long as you don't overstay any visit, if you do visit.