回复:谢谢,你的贴很有帮助,但好像收据是找不回来了。

回答: 批件 - 回复:请问:延期收据pjiang2008-02-05 12:56:42

The approval notice is good enough when you bring it to consulate for a visa.

You don't have to retain a receipt notice so as to request a copy of approval notice from USCIS.

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