d*******0
发帖数: 113 | 1 1. 现在可以中信代签么，这样比较方便，所在地没有大使馆。
2. B2目的填写探亲和旅游有区别么.父母想待半年，不知是否有问题，看到有地方写时
间是由入关时I94决定的，不大明白这点。
3.邀请信需要系或学校盖章么？
谢谢！ | p****e
发帖数: 117 | 2 If it's the first time they apply for visa, probably need an interview.
It's better not to ask for a long term stay in the form...couple of
months is good. When they get off the airplane and pass US custom, they will
staple a small form on their US visa, I-94 I think, it will mention how
long they actually can stay. Visa has nothing to do with the length they can
stay in US as long as it's valid when your parents land in US.
If the invitation letter is directly from your department/school, it
needs stamp. If it's from you, I think it might not be necessary, plus your
school might not want to stamp it if they didn't write the letter.
【在 d*******0 的大作中提到】
: 1. 现在可以中信代签么，这样比较方便，所在地没有大使馆。
: 2. B2目的填写探亲和旅游有区别么.父母想待半年，不知是否有问题，看到有地方写时
: 间是由入关时I94决定的，不大明白这点。
: 3.邀请信需要系或学校盖章么？
: 谢谢！
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