做的service request，今天收到移民局的下面这个email。看来只能等了？等90天，是不是不正常啊？谢谢老师！
The status of this service request is:
We have received your service request and researched the status of your case. We had to perform an additional review and this has caused a delay in processing time. Your case is currently under review. You should receive a decision or notice of further action within 90 days.