父母的簽證，入關時給的時間是3個 月，但是在網上查I-94給的時間是半年，有必要去
海關修改嗎，去哪個部門，找什麽人，非常感謝。
-Normally the I-94 duration is correct. If you worry about it, you may just go to the local CBP Deferred Inspections Office to check it. Find the CBP Office in your area here (click to open it):
70 Deferred Inspections Sites
海關修改嗎，去哪個部門，找什麽人，非常感謝。
-Normally the I-94 duration is correct. If you worry about it, you may just go to the local CBP Deferred Inspections Office to check it. Find the CBP Office in your area here (click to open it):
70 Deferred Inspections Sites
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