If you do not have the appoint letter, you'd better call them first.
Actually, you could go there using the old letter. The same thing happened to us.
• 回复:回复:急问喜XDJM: 亚特兰大的Application Support Center周末是否办公? -Achieve- ♂ (30 bytes) () 06/08/2007 postreply 16:37:21