Immigration Officer: How may I help you?
Applicant: My visa expires in a month, so I need to apply for an extension.
Officer: What type of visa do you currently have?
Applicant: I have an E2 work visa. I’d like to extend it for another three months.
Officer: Here is a list of the documents that you need. We also need a photocopy of your employment contract.
Applicant: OK, I will prepare that and return next week.
Officer: OK. I recommend you to apply at least 15 days before your current visa expires. Also, make sure that your passport is valid for at least a year.