Passport information input is not required as an regulation. On the departure date, the counter agent will check your passport number and help you through, so please keep your passport on departure date.
However, for the American route, the Transportation Security Administration (TSA) collects information on the name, gender and date of birth of all passengers who use the U.S. route for advance security screening.
When booking for the American route, you are required to accurately fill in the English name, sex, and date of birth on your passport within 72 hours before departure.
