The endorsed immigrant visa on the passport is qual to green card (green card stamp) which is valid for one year. So, you can use the green stamp to travel or work.
• 非常感谢8老师!如果IV过期了也可以吗?当然进入美国时,签证IV没有过期 -逍遥流云- ♀ (0 bytes) () 12/19/2016 postreply 18:18:21
• Yes. -863211- ♂ (121 bytes) () 12/19/2016 postreply 19:15:49
• 谢谢8老师! -逍遥流云- ♀ (0 bytes) () 12/19/2016 postreply 21:48:59