b2 visa

[vna]

hi, i am a student here in usa, and my sister is studying in u.k,,
and she has to come here for visting ,,, so can i said her the
supprt document that she is coming here to attend my graduation
which is on may 18th,, but she cannot come on may 18th as she have her
exams a,, can she come to usa with that visitng visa ,,will she
face any immigration problems??
please respond ASAP..

THANKS
deepthi

[kabkaba]

She can travel to US up to the date of expiry.