Korean phrase
제출해야 하는 ~ 뭐예요? che chul hae ya ha neun ~ mwo ye yo
Meaning
What ___ do I have to submit?
When to use it
This asks what must be submitted. It is a polite way to ask which document or other item is required when the submission requirement is unclear.
Example dialogue
제출해야 하는 서류가 뭐예요? che chul hae ya ha neun seo ryu ga mwo ye yo
What documents do I have to submit?
졸업증명서랑 재학증명서가 필요해요. cho reop jjeung myeong seo rang chae hak jjeung myeong seo ga pi ryo hae yo
You need a graduation certificate and a certificate of enrollment.