An “Overstay” occurs when a visitor stays longer than permitted as shown on his/her admission stamp or paper Form I-94, Arrival/Departure Record. A violation of the CBP defined length of admission may make you ineligible for a visa in the future.

A visa that contains biometric information about the passport holder. A visa that immigration officers read with special machines when the applicants enter the U.S.

A passport which has biographic information entered on the data page according to international specifications. A machine readable passport is required to travel with a visa on the Visa Waiver Program.

If you want to extend your stay in the United States, you must file a request with U.S. Citizenship and Immigration Services (USCIS) on the Form I-539, Application to Extend/Change Nonimmigrant Status before your authorized stay expires.