Extention of short term B1 visa

rex_a

New Member
my parents came a day before on B1/B2 (visitor) from Canada, they got only one month visa and i want to extend their visa for 3 more month before it expire.
what would be the best way to get it extend ?
By mail or physically go to back to canada and come back, as they are canadian landed immigrant.
i heard that by mail it takes 4-6 week to just get the receipt, and by that time their visa will get expire.
can somebody help me in this urgent matter.
 
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