根据IATA规定从09年二月起在电子客票TFC DATA 传                                   
输中取消XT税项,系统需要支持使                                                  
用标准的PADIS信息传输99 NEW TAXES/99 PAID                                      
TAXES. 航信ICS/CRS从2009年5月24日                                              
起支持此功能,相应地,用户的DETR查询操作将有以                                   
下变更:                                                                        
1,DETR 输出:当有超过3种以上的税时,只显示前3                                    
种,同时                                                                        
A) 从ICS本系统提取的票面,在第三种税后面输出提示                                
行"FOR ALL TAXES >DETR:X";                                                      
B) 从外系统提取的票面(用D选项)则显示DETR:TN/票号,x,d航空公司两字码                                                                    
2,DETR:X 选项,用于显示所有的税明细.                                            
3,DETR:TN/票号,X,D航空公司两字码  用于显示从外系统提取票面的                                 
税明细,                                                                        
如:DETR:TN/784-1234567890,X,DCZ表示显示CZ系统                                  
中的税明细信息