属性

数据类型ID

必须?Optional

长度Max 4

Codes (9)

• 1Request for seat assignment
• 2Request authority to issue boarding pass
• 3Request seat assignment and issue boarding pass
• 4Request to reissue boarding pass
• 5Request to cancel boarding pass
• 6PNR notification of action taken for an EMD
• 7Assigned seat number
• 700PNR notification of action taken for an electronic ticket
• 701Heavy item