By the way,

来源: 863211 于 2015-02-24 19:49:40 [档案] [博客] [旧帖] [给我悄悄话] 本文已被阅读：次 (157 bytes)

回答: 感谢8老师！由用户名可用于 2015-02-24 19:08:21

because your working site is different from that in the H-1 approval notice, your employer needs to file an H-1 amendment for you after you activate the H-1.