Core Viewpoint - Multiple airlines have announced special handling measures for tickets related to flights to and from Japan, allowing free changes and cancellations for affected travelers due to recent travel advisories from the Ministry of Foreign Affairs [2][18]. Group 1: Applicable Tickets - The special handling applies to tickets purchased or reissued before 12:00 on November 15, 2025, specifically for flights scheduled between November 15, 2025, and December 31, 2025, involving Japan [4][8][12][15]. Group 2: Change and Refund Rules - For ticket changes, passengers can change to the same route on the airline's actual operating flights without incurring a change fee, although fare differences may apply [5][9][15]. - Refund requests can be made within the ticket's validity period without incurring a refund fee, but previously changed tickets will follow the original ticket conditions for refunds [6][10][12]. Group 3: Other Airlines' Policies - Following China Southern Airlines, China International Airlines, and China Eastern Airlines, other airlines such as Sichuan Airlines and Hainan Airlines have also issued similar notifications regarding ticket handling for flights to Japan [10][12][15].