The travel authorization is mandatory for any traveler, including children, to enter the country. The application can be made ten days before arrival.The application for travel authorization can be submitted starting 30 days before your arrival. The processing time can take up to 24 hours. The majority of replies say I must file within 72 hours of arriving regardless of being on cruise ship. There are three types of responses to an ESTA application: Authorization Approved,. Authorization Pending, and Travel Not Authorized. Deadline: The authorization form can be completed up to 7 days before your arrival date in Seychelles. PASSPORT VALIDITY: Six months. BLANK PASSPORT PAGES: One page required for entry stamp.