如果walk-in打指紋,是否至少要有申請的收據?因為這次準備不足,時間確實緊張,收據也未必能及時拿到。
這種情況下寄出申請後可以去walk-in碰碰運氣打指紋嗎?
是不是沒有case#不行啊? -At least you need to have the I-131 filing receipt, I think. But it does no hurt you to try any possibility.