12.1 The short headings under each clause in these Conditions of Carriage are for convenience only and are not used to interpret the contents of the clauses.

12.2 These Conditions of Carriage are written in Chinese and translated into other language versions. When inconsistencies between the Chinese version and other language versions, the Chinese version shall prevail.

12.3 The rules for voluntary refunds and changes of domestic and international tickets, the transportation requirements for passengers with disabilities and reduced mobility, the compensation standards for passengers who have been refused boarding due to overbooking, the compensation standards for passengers who have been involuntarily downgraded, the transportation requirements for the injured and postoperative passengers, and the amounts of payment for temporary living expenses will be frequently changed and therefore have been formulated separately. Specifically, the " Beijing Airlines Implementation Rules for Voluntary Refund and Voluntary Change on Domestic Tickets", the " Beijing Airlines Implementation Rules for Voluntary Refund and Voluntary Change on International Tickets", the " Beijing Airlines Regulations on the Transportation of Disabled and Inconvenient Travelers", and the " Beijing Airlines Compensation Standards for Overbooking and Involuntary Descending of Flights", the " Beijing Airlines Regulations on Injured, Sick and Postoperative Passengers Transportation" and the " Beijing Airlines Standards on Payments for Temporary Living Expenses" are part of these Conditions of Carriage.