ESTA, the Electronic System for Travel Authorization is an online system that informs you in advance that either you are eligible to travel under the Visa Waiver Program (VWP) to the United States or not. ESTA speeds up the process at the airport and it is the electronic version of the form previously completed at immigrations. ESTA has replaced the old traditional system of filling out a green I-94W piece of paper on a plane into the US. That I-94W paper was considered as the Visa Waiver form. All nationals…
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