紧急求助：准备用AP入境航班check in的residency怎么选# Immigration - 落地生根
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各位请教一个问题：
LD回国马上要返回美国，check in的时候united要求选择residency status
1 I am a US permanent resident
2 US permanent resident, but does not have document information
3 I am not a US permanent resident
additional information说如果不是US resident也没有visa，就需要ESTA（
Electronic system for travel authorization) approval。
请问用AP如果该怎么选啊？另外入关时候走那条通道呢？多谢多谢！
LD回国马上要返回美国，check in的时候united要求选择residency status
1 I am a US permanent resident
2 US permanent resident, but does not have document information
3 I am not a US permanent resident
additional information说如果不是US resident也没有visa，就需要ESTA（
Electronic system for travel authorization) approval。
请问用AP如果该怎么选啊？另外入关时候走那条通道呢？多谢多谢！