[2026-06-05] · COLLECTION
Trip.com's privacy notice (last updated 2026-06-05) states that for flight ticket bookings it collects date of birth, nationality, gender, passport number, passport expiration date, passport photo and Known Traveler Number, with similar government-ID fields (ID number, expiration date) collected for train tickets in mainland China and passport data for hotel, bus/cruise and e-visa bookings.
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