NIW的推荐信交原件还是副印件？谢谢

NIW的推荐信交原件还是副印件？谢谢。是否所有资料都可以是副印件？哪个牛人给个准确答案，谢谢

所有跟帖： 

• 交原件 -wumingxiaobei- ♀ (0 bytes) () 02/24/2006 postreply 09:22:19

• 回复：交原件 -helpjean- ♀ (6 bytes) () 02/24/2006 postreply 09:30:15

• the original copy is the best, but -mawu- ♀ (119 bytes) () 02/24/2006 postreply 09:37:40

• 回复：the original copy is the best, but -dancingmsg- ♂ (52 bytes) () 02/24/2006 postreply 13:39:44

• visa retrogression began from 10/1/2005 -mawu- ♀ (0 bytes) () 02/24/2006 postreply 17:48:33

• 交副印件！ -MountainBeauty- ♀ (49 bytes) () 02/24/2006 postreply 10:22:12

• NIW的推荐信交原件 -trylucky- ♂ (1 bytes) () 02/24/2006 postreply 10:44:36

• 都可以,建议交原件,减少负面印象,印件好容易假! -radiology- ♂ (0 bytes) () 02/24/2006 postreply 12:15:14