什么是I797,收到I797之后做什么? F1OPT延期/挂靠/转学/F签激活
Lost I797 Form. Web if your application or petition was approved but you lost the approval notice or never received the original notice of approval,.
Web if your application or petition was approved but you lost the approval notice or never received the original notice of approval,.
Web if your application or petition was approved but you lost the approval notice or never received the original notice of approval,. Web if your application or petition was approved but you lost the approval notice or never received the original notice of approval,.
