收据拿到了，Receipt Number 是哪一个？Receipt# 印在收据的左上角，是 3 个字母和 10 个数字的组合，分为 4 组，如：LIN-07-256-59999.
LIN 指明移民局服务中心
EAC - Vermont Service Center
LIN - Nebraska Service Center
MSC - Missouri Service Center
SRC - Texas Service Center
WAC - California Service Center
07 - Fiscal year (it's 08 beginning at 10/1/07)
256 - number of business days in the fiscal year
59999 - sequent number of the receipt
LIN 指明移民局服务中心
EAC - Vermont Service Center
LIN - Nebraska Service Center
MSC - Missouri Service Center
SRC - Texas Service Center
WAC - California Service Center
07 - Fiscal year (it's 08 beginning at 10/1/07)
256 - number of business days in the fiscal year
59999 - sequent number of the receipt
