Is the registration a substitute for form I-94 handed out on board the plane?
No, you will still have to fill out form I-94 and present it to the immigration official at border control at the airport or port. It is very important that the lower part of the I-94, which will be attached to your passport, be removed again at departure by an employee of your travel organization! This is important since it is the only way for USCIS to document whether a person has indeed left the United States. Question: Do all travelers to the US have to file an ESTA application? Answer: No, US visa holders do not have to file an ESTA application. Not even if the passport that holds the still valid visa has expired. In this case, you have to wait until a new passport has been issued before traveling to the US. Please note that visas cannot be transferred to another passport, you will have to have both passports on you to enter the US. All other travelers under the Visa Waiver Program have to apply for ESTA, also babies and children. It is highly unlikely that any exceptions will be
