我收到了移民局的回信。但是我已经把我的 notarized 出生公证寄给移民局了。我手上只剩一份正本。我应该寄正本吗？还是可以写一封信解释，应该怎么写？谢谢！
_______CORRESPONDENCE INSTRUCTIONS:_________________________________
When responding to the National Visa Center, please include the bar code sheet that came with this
letter. Failure to include the bar code sheet may cause a delay in the processing of your case. The bar
code sheet should be placed on top of all documents being submitted for this case and mailed to the
address provided.
A review of your case has been completed based on your inquiry. The items included in this checklist
represent the items still required before your case can be considered complete.
______F - PETITIONER BIRTH CERTIFICATE:____________________________
The document submitted for the petitioner is not an original or certified copy of an original issued by
the appropriate government authority. The document must be an original, or a certified copy of the
original, bearing the original seal or stamp from the issuing authority.