回复：向Pjiang，xbt和各位前辈请教关于移民签证有效期

来源: 于 2009-09-08 05:12:05 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Immigration visa有效期 usually has 6 months from the date of issue. The expiration date is indicated on your visa and you have to arrive in U.S. before the expiration date.